This document outlines the syllabus for the 2014 GCE Ordinary Level Physics exam in Singapore. It includes 3 sections:
1) An introduction describing the aims and focus of the 'O' level physics course in providing students with an understanding of classical physics theories.
2) The assessment objectives which are divided into knowledge and understanding, problem solving, and experimental skills.
3) The scheme of assessment including details of a multiple choice paper, structured questions paper, and school-based practical assessment.
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5059 Physics Syllabus
1. 5059 PHYSICS GCE ORDINARY LEVEL (2014)
PHYSICS
GCE ORDINARY LEVEL
(Syllabus 5059)
CONTENTS
Page
INTRODUCTION
2
AIMS
2
ASSESSMENT OBJECTIVES
3
SCHEME OF ASSESSMENT
5
CONTENT STRUCTURE
7
SUBJECT CONTENT
8
SUMMARY OF KEY QUANTITIES, SYMBOLS AND UNITS
23
PRACTICAL GUIDELINES
24
MATHEMATICAL REQUIREMENTS
25
GLOSSARY OF TERMS
26
SPECIAL NOTE
27
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INTRODUCTION
The ‘O’ level physics syllabus provides students with a coherent understanding of energy, matter, and
their interrelationships. It focuses on investigating natural phenomena and then applying patterns, models
(including mathematical ones), principles, theories and laws to explain the physical behaviour of the
universe. The theories and concepts presented in this syllabus belong to a branch of physics commonly
referred to as classical physics. Modern physics, developed to explain the quantum properties at the
atomic and sub-atomic level, is built on knowledge of these classical theories and concepts.
Students should think of physics in terms of scales. Whereas the classical theories such as Newton’s
laws of motion apply to common physical systems that are larger than the size of atoms, a more
comprehensive theory, quantum theory, is needed to describe systems at the atomic and sub-atomic
scales. It is at these scales that physicists are currently making new discoveries and inventing new
applications.
It is envisaged that teaching and learning programmes based on this syllabus would feature a wide
variety of learning experiences designed to promote acquisition of scientific expertise and understanding,
and to develop values and attitudes relevant to science. Teachers are encouraged to use a combination
of appropriate strategies to effectively engage and challenge their students. It is expected that students
will apply investigative and problem-solving skills, effectively communicate the theoretical concepts
covered in this course and appreciate the contribution physics makes to our understanding of the
physical world.
AIMS
These are not listed in order of priority.
The aims are to:
1.
provide, through well-designed studies of experimental and practical Physics, a worthwhile
educational experience for all students, whether or not they go on to study science beyond this
level and, in particular, to enable them to acquire sufficient understanding and knowledge to
1.1 become confident citizens in a technological world, able to take or develop an informed
interest in matters of scientific importance;
1.2 recognise the usefulness, and limitations, of scientific method and to appreciate its
applicability in other disciplines and in everyday life;
1.3 be suitably prepared for studies beyond Ordinary level in Physics, in applied sciences or in
science-related courses.
2.
develop abilities and skills that
2.1 are relevant to the study and practice of science;
2.2 are useful in everyday life;
2.3 encourage efficient and safe practice;
2.4 encourage effective communication.
3.
develop attitudes relevant to science such as
3.1
concern for accuracy and precision;
3.2
objectivity;
3.3
integrity;
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3.4
inquiry;
3.5
initiative;
3.6
inventiveness.
4.
stimulate interest in and care for the local and global environment.
5.
promote an awareness that
5.1 the study and practice of science are co-operative and cumulative activities, and are subject
to social, economic, technological, ethical and cultural influences and limitations;
5.2 the applications of science may be both beneficial and detrimental to the individual, the
community and the environment;
5.3 science transcends national boundaries and that the language of science, correctly and
rigorously applied, is universal;
5.4 the use of information technology is important for communications, as an aid to experiments
and as a tool for the interpretation of experimental and theoretical results.
ASSESSMENT OBJECTIVES
A
Knowledge with Understanding
Students should be able to demonstrate knowledge and understanding in relation to:
1.
scientific phenomena, facts, laws, definitions, concepts, theories;
2.
scientific vocabulary, terminology, conventions (including symbols, quantities and units contained
in ‘Signs, Symbols and Systematics 16-19’, Association for Science Education, 2000);
3.
scientific instruments and apparatus, including techniques of operation and aspects of safety;
4.
scientific quantities and their determination;
5.
scientific and technological applications with their social, economic and environmental implications.
The subject content defines the factual knowledge that candidates may be required to recall and explain.
Questions testing these objectives will often begin with one of the following words: define, state, describe,
explain or outline. (See the Glossary of Terms.)
B
Handling Information and Solving Problems
Students should be able – in words or by using symbolic, graphical and numerical forms of presentation –
to:
1.
locate, select, organise and present information from a variety of sources;
2.
translate information from one form to another;
3.
manipulate numerical and other data;
4.
use information to identify patterns, report trends and draw inferences;
5.
present reasoned explanations for phenomena, patterns and relationships;
6.
make predictions and propose hypotheses;
7.
solve problems.
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These assessment objectives cannot be precisely specified in the subject content because questions
testing such skills may be based on information which is unfamiliar to the candidate. In answering such
questions, candidates are required to use principles and concepts that are within the syllabus and apply
them in a logical, reasoned or deductive manner to a novel situation. Questions testing these objectives
will often begin with one of the following words: predict, suggest, calculate or determine. (See the
Glossary of Terms.)
C
Experimental Skills and Investigations
Students should be able to:
1.
follow a sequence of instructions;
2.
use techniques, apparatus and materials;
3.
make and record observations, measurements and estimates;
4.
interpret and evaluate observations and experimental results;
5.
plan investigations, select techniques, apparatus and materials;
6.
evaluate methods and suggest possible improvements.
Weighting of Assessment Objectives
Theory Papers (Papers 1 and 2)
A
Knowledge with Understanding, approximately 45% of the marks with approximately 15% allocated
to recall.
B
Handling Information and Solving Problems, approximately 55% of the marks.
School-Based Science Practical Assessment (SPA) (Paper 3)
C
Experimental Skills and Investigations, 100% of the marks.
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SCHEME OF ASSESSMENT
Candidates are required to enter for Papers 1, 2 and 3.
Paper
Type of Paper
Duration
Marks
Weighting
1
Multiple Choice
1h
40
30 %
2
Structured and Free Response
1 h 45 min
80
50 %
3
School-based Science Practical
Assessment (SPA)
96
20 %
--
Theory papers
Paper 1 (1 h, 40 marks),
consisting of 40 compulsory multiple choice items of the direct
choice type.
Paper 2 (1 h 45 min, 80 marks),
consisting of two sections.
Section A will carry 50 marks and will consist of a variable number
of compulsory structured questions.
Section B will carry 30 marks and will consist of three questions.
The first two questions are compulsory questions, one of which will
be a data-based question requiring candidates to interpret,
evaluate or solve problems using a stem of information. This
question will carry 8 – 12 marks. The last question will be
presented in an either/or form and will carry 10 marks.
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School-based Science Practical Assessment (SPA)
Paper 3 (96 marks)
The School-based Science Practical Assessment (SPA) will be conducted to assess appropriate aspects
of objectives C1 to C6. SPA will take place over an appropriate period that the candidates are offering the
subject. The assessment of science practical skills is grouped into 3 skill sets:
Skill set 1 – Performing and Observing
Skill set 2 – Analysing
Skill set 3 – Planning
Each candidate is to be assessed only twice for each of skill sets 1 and 2 and only once for skill set 3.
Weighting and Marks Computation of the 3 Skill Sets
The overall level of performance of each skill set (skill sets 1, 2 and 3) is the sum total of the level of
performance of each strand within the skill set.
The weighting and marks computation of the skill sets are as follows:
Skill
Set
No. of
Assessments
(a)
Max Marks per
Assessment (b)
Weight
(c)
Sub-total
(a × b × c)
Weighting
1
2
6
4
2 × 6 × 4 = 48
50%
2
2
4
3
2 × 4 × 3 = 24
25%
3
1
4
6
1 × 4 × 6 = 24
25%
Total Marks for SPA
96
Please refer to the SPA Information Booklet for more detailed information on the conduct of SPA.
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CONTENT STRUCTURE
Section
Topics
I. Measurement
1. Physical Quantities, Units and Measurement
II. Newtonian Mechanics
2. Kinematics
3. Dynamics
4. Mass, Weight and Density
5. Turning Effect of Forces
6. Pressure
7. Energy, Work and Power
III. Thermal Physics
8. Kinetic Model of Matter
9. Transfer of Thermal Energy
10. Temperature
11. Thermal Properties of Matter
IV. Waves
12. General Wave Properties
13. Light
14. Electromagnetic Spectrum
15. Sound
V. Electricity and Magnetism
16. Static Electricity
17. Current of Electricity
18. D.C. Circuits
19. Practical Electricity
20. Magnetism
21. Electromagnetism
22. Electromagnetic Induction
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SUBJECT CONTENT
SECTION I:
MEASUREMENT
Overview
In order to gain a better understanding of the physical world, scientists use a process of investigation that
follows a general cycle of observation, hypothesis, deduction, test and revision, sometimes referred to as
the scientific method. Galileo Galilei, one of the earliest architects of this method, believed that the study
of science had a strong logical basis that involved precise definitions of terms and physical quantities,
and a mathematical structure to express relationships between these physical quantities.
In this section, we study a set of base physical quantities and units that can be used to derive all other
physical quantities. These precisely defined quantities and units, with accompanying order-of-ten prefixes
(e.g. milli, centi and kilo) can then be used to describe the interactions between objects in systems that
range from celestial objects in space to sub-atomic particles.
1.
Physical Quantities, Units and Measurement
Content
Physical quantities
SI units
Prefixes
Scalars and vectors
Measurement of length and time
Learning Outcomes
Candidates should be able to:
(a)
show understanding that all physical quantities consist of a numerical magnitude and a unit
(b)
recall the following base quantities and their units: mass (kg), length (m), time (s), current (A),
temperature (K), amount of substance (mol)
(c)
use the following prefixes and their symbols to indicate decimal sub-multiples and multiples of the
SI units: nano (n), micro (µ), milli (m), centi (c), deci (d), kilo (k), mega (M), giga (G)
(d)
show an understanding of the orders of magnitude of the sizes of common objects ranging from a
typical atom to the Earth
(e)
state what is meant by scalar and vector quantities and give common examples of each
(f)
add two vectors to determine a resultant by a graphical method
(g)
describe how to measure a variety of lengths with appropriate accuracy by means of tapes, rules,
micrometers and calipers, using a vernier scale as necessary
(h)
describe how to measure a short interval of time including the period of a simple pendulum with
appropriate accuracy using stopwatches or appropriate instruments
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SECTION II:
NEWTONIAN MECHANICS
Overview
Mechanics is the branch of physics that deals with the study of motion and its causes. Through a careful
process of observation and experimentation, Galileo Galilei used experiments to overturn Aristotle’s ideas
of the motion of objects, for example the flawed idea that heavy objects fall faster than lighter ones, which
dominated physics for about 2,000 years.
The greatest contribution to the development of mechanics is by one of the greatest physicists of all time,
Isaac Newton. By extending Galileo’s methods and understanding of motion and gravitation, Newton
developed the three laws of motion and his law of universal gravitation, and successfully applied them to
both terrestrial and celestial systems to predict and explain phenomena. He showed that nature is
governed by a few special rules or laws that can be expressed in mathematical formulae. Newton’s
combination of logical experimentation and mathematical analysis shaped the way science has been
done ever since.
In this section, we begin by examining kinematics, which is a study of motion without regard for the
cause. After which, we study the conditions required for an object to be accelerated and introduce the
concept of forces through Newton’s Laws. Subsequently, concepts of moments and pressure are
introduced as consequences of a force. Finally, this section rounds up by leading the discussion from
force to work and energy, and the use of the principle of conservation of energy to explain interactions
between bodies.
2.
Kinematics
Content
Speed, velocity and acceleration
Graphical analysis of motion
Free-fall
Effect of air resistance
Learning Outcomes
Candidates should be able to:
(a)
state what is meant by speed and velocity
(b)
calculate average speed using distance travelled / time taken
(c)
state what is meant by uniform acceleration and calculate the value of an acceleration using
change in velocity / time taken
(d)
interpret given examples of non-uniform acceleration
(e)
plot and interpret a displacement-time graph and a velocity-time graph
(f)
deduce from the shape of a displacement-time graph when a body is:
(i)
at rest
(ii)
moving with uniform velocity
(iii)
moving with non-uniform velocity
(g)
deduce from the shape of a velocity-time graph when a body is:
(i)
at rest
(ii)
moving with uniform velocity
(iii)
moving with uniform acceleration
(iv)
moving with non-uniform acceleration
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(h)
calculate the area under a velocity-time graph to determine the displacement travelled for motion
with uniform velocity or uniform acceleration
(i)
state that the acceleration of free fall for a body near to the Earth is constant and is approximately
10 m / s2
(j)
describe the motion of bodies with constant weight falling with or without air resistance, including
reference to terminal velocity
3.
Dynamics
Content
Balanced and unbalanced forces
Free-body diagram
Friction
Learning Outcomes
Candidates should be able to:
(a)
apply Newton's Laws to:
(i)
describe the effect of balanced and unbalanced forces on a body
(ii)
describe the ways in which a force may change the motion of a body
(iii)
identify action-reaction pairs acting on two interacting bodies
(stating of Newton's Laws is not required)
(b)
identify forces acting on an object and draw free body diagram(s) representing the forces acting on
the object (for cases involving forces acting in at most 2 dimensions)
(c)
solve problems for a static point mass under the action of 3 forces for 2-dimensional cases (a
graphical method would suffice)
(d)
recall and apply the relationship resultant force = mass × acceleration to new situations or to solve
related problems
(e)
explain the effects of friction on the motion of a body
4.
Mass, Weight and Density
Content
Mass and weight
Gravitational field and field strength
Density
Learning Outcomes
Candidates should be able to:
(a)
state that mass is a measure of the amount of substance in a body
(b)
state that mass of a body resists a change in the state of rest or motion of the body (inertia)
(c)
state that a gravitational field is a region in which a mass experiences a force due to gravitational
attraction
(d)
define gravitational field strength, g, as gravitational force per unit mass
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(e)
recall and apply the relationship weight = mass × gravitational field strength to new situations or to
solve related problems
(f)
distinguish between mass and weight
(g)
recall and apply the relationship density = mass / volume to new situations or to solve related
problems
5.
Turning Effect of Forces
Content
Moments
Centre of gravity
Stability
Learning Outcomes
Candidates should be able to:
(a)
describe the moment of a force in terms of its turning effect and relate this to everyday examples
(b)
recall and apply the relationship moment of a force (or torque) = force × perpendicular distance
from the pivot to new situations or to solve related problems
(c)
state the principle of moments for a body in equilibrium
(d)
apply the principle of moments to new situations or to solve related problems
(e)
show understanding that the weight of a body may be taken as acting at a single point known as its
centre of gravity
(f)
describe qualitatively the effect of the position of the centre of gravity on the stability of objects
6.
Pressure
Content
Pressure
Pressure differences
Pressure measurement
Learning Outcomes
Candidates should be able to:
(a)
define the term pressure in terms of force and area
(b)
recall and apply the relationship pressure = force / area to new situations or to solve related
problems
(c)
describe and explain the transmission of pressure in hydraulic systems with particular reference to
the hydraulic press
(d)
recall and apply the relationship pressure due to a liquid column = height of column × density of the
liquid × gravitational field strength to new situations or to solve related problems
(e)
describe how the height of a liquid column may be used to measure the atmospheric pressure
(f)
describe the use of a manometer in the measurement of pressure difference
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7.
Energy, Work and Power
Content
Energy conversion and conservation
Work
Power
Learning Outcomes
Candidates should be able to:
(a)
show understanding that kinetic energy, potential energy (chemical, gravitational, elastic), light
energy, thermal energy, electrical energy and nuclear energy are examples of different forms of
energy
(b)
state the principle of the conservation of energy and apply the principle to new situations or to
solve related problems
(c)
calculate the efficiency of an energy conversion using the formula efficiency = energy converted to
useful output / total energy input
(d)
state that kinetic energy Ek = ½ mv2 and gravitational potential energy Ep = mgh (for potential
energy changes near the Earth’s surface)
(e)
apply the relationships for kinetic energy and potential energy to new situations or to solve related
problems
(f)
recall and apply the relationship work done = force × distance moved in the direction of the force
to new situations or to solve related problems
(g)
recall and apply the relationship power = work done / time taken to new situations or to solve
related problems
SECTION III:
THERMAL PHYSICS
Overview
Amongst the early scientists, heat was thought as some kind of invisible, massless fluid called ‘caloric’.
Certain objects that released heat upon combustion were thought to be able to ‘store’ the fluid. However,
this explanation failed to explain why friction was able to produce heat. In the 1840s, James Prescott
Joule used a falling weight to drive an electrical generator that heated a wire immersed in water. This
experiment demonstrated that work done by a falling object could be converted to heat.
In the previous section, we studied about energy and its conversion. Many energy conversion processes
which involve friction will have heat as a product. This section begins with the introduction of the kinetic
model of matter. This model is then used to explain and predict the physical properties and changes of
matter at the molecular level in relation to heat or thermal energy transfer.
8.
Kinetic Model of Matter
Content
States of matter
Brownian motion
Kinetic model
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Learning Outcomes
Candidates should be able to:
(a)
compare the properties of solids, liquids and gases
(b)
describe qualitatively the molecular structure of solids, liquids and gases, relating their properties
to the forces and distances between molecules and to the motion of the molecules
(c)
infer from Brownian motion experiment the evidence for the movement of molecules
(d)
describe the relationship between the motion of molecules and temperature
(e)
explain the pressure of a gas in terms of the motion of its molecules
(f)
recall and explain the following relationships using the kinetic model (stating of the corresponding
gas laws is not required):
(i) a change in pressure of a fixed mass of gas at constant volume is caused by a change in
temperature of the gas
(ii) a change in volume occupied by a fixed mass of gas at constant pressure is caused by a
change in temperature of the gas
(iii) a change in pressure of a fixed mass of gas at constant temperature is caused by a change in
volume of the gas
(g)
use the relationships in (f) in related situations and to solve problems (a qualitative treatment would
suffice)
9.
Transfer of Thermal Energy
Content
Conduction
Convection
Radiation
Learning Outcomes
Candidates should be able to:
(a)
show understanding that thermal energy is transferred from a region of higher temperature to a
region of lower temperature
(b)
describe, in molecular terms, how energy transfer occurs in solids
(c)
describe, in terms of density changes, convection in fluids
(d)
explain that energy transfer of a body by radiation does not require a material medium and the rate
of energy transfer is affected by:
(i)
colour and texture of the surface
(ii)
surface temperature
(iii)
surface area
(e)
apply the concept of thermal energy transfer to everyday applications
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10.
Temperature
Content
Principles of thermometry
Learning Outcomes
Candidates should be able to:
(a)
explain how a physical property which varies with temperature, such as volume of liquid column,
resistance of metal wire and electromotive force (e.m.f.) produced by junctions formed with wires
of two different metals, may be used to define temperature scales
(b)
describe the process of calibration of a liquid-in-glass thermometer, including the need for fixed
points such as the ice point and steam point
11.
Thermal Properties of Matter
Content
Internal energy
Specific heat capacity
Melting, boiling and evaporation
Specific latent heat
Learning Outcomes
Candidates should be able to:
(a)
describe a rise in temperature of a body in terms of an increase in its internal energy (random
thermal energy)
(b)
define the terms heat capacity and specific heat capacity
(c)
recall and apply the relationship thermal energy = mass × specific heat capacity × change in
temperature to new situations or to solve related problems
(d)
describe melting/solidification and boiling/condensation as processes of energy transfer without a
change in temperature
(e)
explain the difference between boiling and evaporation
(f)
define the terms latent heat and specific latent heat
(g)
recall and apply the relationship thermal energy = mass × specific latent heat to new situations or
to solve related problems
(h)
explain latent heat in terms of molecular behaviour
(i)
sketch and interpret a cooling curve
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SECTION IV:
WAVES
Overview
Waves are inherent in our everyday lives. Much of our understanding of wave phenomena has been
accumulated over the centuries through the study of light (optics) and sound (acoustics). The nature of
oscillations in light was only understood when James Clerk Maxwell, in his unification of electricity,
magnetism and electromagnetic waves, stated that all electromagnetic fields spread in the form of waves.
Using a mathematical model (Maxwell’s equations), he calculated the speed of electromagnetic waves
and found it to be close to the speed of light, leading him to make a bold but correct inference that light
consists of propagating electromagnetic disturbances. This gave the very nature of electromagnetic
waves, and hence its name.
In this section, we examine the nature of waves in terms of the coordinated movement of particles. The
discussion moves on to wave propagation and its uses by studying the properties of light,
electromagnetic waves and sound, as well as their applications in wireless communication, home
appliances, medicine and industry.
12.
General Wave Properties
Content
Describing wave motion
Wave terms
Longitudinal and transverse waves
Learning Outcomes
Candidates should be able to:
(a)
describe what is meant by wave motion as illustrated by vibrations in ropes and springs and by
waves in a ripple tank
(b)
show understanding that waves transfer energy without transferring matter
(c)
define speed, frequency, wavelength, period and amplitude
(d)
state what is meant by the term wavefront
(e)
recall and apply the relationship velocity = frequency × wavelength to new situations or to solve
related problems
(f)
compare transverse and longitudinal waves and give suitable examples of each
13.
Light
Content
Reflection of light
Refraction of light
Thin lenses
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Learning Outcomes
Candidates should be able to:
(a)
recall and use the terms for reflection, including normal, angle of incidence and angle of reflection
(b)
state that, for reflection, the angle of incidence is equal to the angle of reflection and use this
principle in constructions, measurements and calculations
(c)
recall and use the terms for refraction, including normal, angle of incidence and angle of refraction
(d)
recall and apply the relationship sin i / sin r = constant to new situations or to solve related
problems
(e)
define refractive index of a medium in terms of the ratio of speed of light in vacuum and in the
medium
(f)
explain the terms critical angle and total internal reflection
(g)
identify the main ideas in total internal reflection and apply them to the use of optical fibres in
telecommunication and state the advantages of their use
(h)
describe the action of a thin lens (both converging and diverging) on a beam of light
(i)
define the term focal length for a converging lens
(j)
draw ray diagrams to illustrate the formation of real and virtual images of an object by a thin
converging lens
14.
Electromagnetic Spectrum
Content
Properties of electromagnetic waves
Applications of electromagnetic waves
Effects of electromagnetic waves on cells and tissue
Learning Outcomes
Candidates should be able to:
(a)
state that all electromagnetic waves are transverse waves that travel with the same speed in
vacuum and state the magnitude of this speed
(b)
describe the main components of the electromagnetic spectrum
(c)
state examples of the use of the following components:
(i)
radiowaves (e.g. radio and television communication)
(ii)
microwaves (e.g. microwave oven and satellite television)
(iii)
infra-red (e.g. infra-red remote controllers and intruder alarms)
(iv)
light (e.g. optical fibres for medical uses and telecommunications)
(v)
ultra-violet (e.g. sunbeds and sterilisation)
(vi)
X-rays (e.g. radiological and engineering applications)
(vii)
gamma rays (e.g. medical treatment)
(d)
describe the effects of absorbing electromagnetic waves, e.g. heating, ionisation and damage to
living cells and tissue
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15.
Sound
Content
Sound waves
Speed of sound
Echo
Ultrasound
Learning Outcomes
Candidates should be able to:
(a)
describe the production of sound by vibrating sources
(b)
describe the longitudinal nature of sound waves in terms of the processes of compression and
rarefaction
(c)
explain that a medium is required in order to transmit sound waves and the speed of sound differs
in air, liquids and solids
(d)
describe a direct method for the determination of the speed of sound in air and make the
necessary calculation
(e)
relate loudness of a sound wave to its amplitude and pitch to its frequency
(f)
describe how the reflection of sound may produce an echo, and how this may be used for
measuring distances
(g)
define ultrasound and describe one use of ultrasound, e.g. quality control and pre-natal scanning
SECTION V:
ELECTRICITY AND MAGNETISM
Overview
For a long time, electricity and magnetism were seen as independent phenomena. Hans Christian
Oersted, in 1802, discovered that a current carrying conductor deflected a compass needle. This
discovery was overlooked by the scientific community until 18 years later. It may be a chance discovery,
but it takes an observant scientist to notice. The exact relationship between an electric current and the
magnetic field it produced was deduced mainly through the work of Andre Marie Ampere. However, the
major discoveries in electromagnetism were made by two of the greatest names in physics, Michael
Faraday and James Clerk Maxwell.
The section begins with a discussion of electric charges that are static, i.e. not moving. Next, we study
the phenomena associated with moving charges and the concepts of current, voltage and resistance. We
also study how these concepts are applied to simple circuits and household electricity. Thereafter, we
study the interaction of magnetic fields to pave the way for the study of the interrelationship between
electricity and magnetism. The phenomenon in which a current interacts with a magnetic field is studied
in electromagnetism, while the phenomenon in which a current or electromotive force is induced in a
moving conductor within a magnetic field is studied in electromagnetic induction.
16.
Static Electricity
Content
Laws of electrostatics
Principles of electrostatics
Electric field
Applications of electrostatics
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18. 5059 PHYSICS GCE ORDINARY LEVEL (2014)
Learning Outcomes
Candidates should be able to:
(a)
state that there are positive and negative charges and that charge is measured in coulombs
(b)
state that unlike charges attract and like charges repel
(c)
describe an electric field as a region in which an electric charge experiences a force
(d)
draw the electric field of an isolated point charge and recall that the direction of the field lines gives
the direction of the force acting on a positive test charge
(e)
draw the electric field pattern between two isolated point charges
(f)
show understanding that electrostatic charging by rubbing involves a transfer of electrons
(g)
describe experiments to show electrostatic charging by induction
(h)
describe examples where electrostatic charging may be a potential hazard
(i)
describe the use of electrostatic charging in a photocopier, and apply the use of electrostatic
charging to new situations
17.
Current of Electricity
Content
Conventional current and electron flow
Electromotive force
Potential difference
Resistance
Learning Outcomes
Candidates should be able to:
(a)
state that current is a rate of flow of charge and that it is measured in amperes
(b)
distinguish between conventional current and electron flow
(c)
recall and apply the relationship charge = current × time to new situations or to solve related
problems
(d)
define electromotive force (e.m.f.) as the work done by a source in driving unit charge around a
complete circuit
(e)
calculate the total e.m.f. where several sources are arranged in series
(f)
state that the e.m.f. of a source and the potential difference (p.d.) across a circuit component is
measured in volts
(g)
define the p.d. across a component in a circuit as the work done to drive unit charge through the
component
(h)
state the definition that resistance = p.d. / current
(i)
apply the relationship R = V/I to new situations or to solve related problems
(j)
describe an experiment to determine the resistance of a metallic conductor using a voltmeter and
an ammeter, and make the necessary calculations
(k)
recall and apply the formulae for the effective resistance of a number of resistors in series and in
parallel to new situations or to solve related problems
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19. 5059 PHYSICS GCE ORDINARY LEVEL (2014)
(l)
recall and apply the relationship of the proportionality between resistance and the length and
cross-sectional area of a wire to new situations or to solve related problems
(m)
state Ohm’s Law
(n)
describe the effect of temperature increase on the resistance of a metallic conductor
(o)
sketch and interpret the I/V characteristic graphs for a metallic conductor at constant temperature,
for a filament lamp and for a semiconductor diode
18.
D.C. Circuits
Content
Current and potential difference in circuits
Series and parallel circuits
Potential divider circuit
Thermistor and light-dependent resistor
Learning Outcomes
Candidates should be able to:
(a)
draw circuit diagrams with power sources (cell, battery, d.c. supply or a.c. supply), switches,
lamps, resistors (fixed and variable), variable potential divider (potentiometer), fuses, ammeters
and voltmeters, bells, light-dependent resistors, thermistors and light-emitting diodes
(b)
state that the current at every point in a series circuit is the same and apply the principle to new
situations or to solve related problems
(c)
state that the sum of the potential differences in a series circuit is equal to the potential difference
across the whole circuit and apply the principle to new situations or to solve related problems
(d)
state that the current from the source is the sum of the currents in the separate branches of a
parallel circuit and apply the principle to new situations or to solve related problems
(e)
state that the potential difference across the separate branches of a parallel circuit is the same and
apply the principle to new situations or to solve related problems
(f)
recall and apply the relevant relationships, including R = V/I and those for current, potential
differences and resistors in series and in parallel circuits, in calculations involving a whole circuit
(g)
describe the action of a variable potential divider (potentiometer)
(h)
describe the action of thermistors and light-dependent resistors and explain their use as input
transducers in potential dividers
(i)
solve simple circuit problems involving thermistors and light-dependent resistors
19.
Practical Electricity
Content
Electric power and energy
Dangers of electricity
Safe use of electricity in the home
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20. 5059 PHYSICS GCE ORDINARY LEVEL (2014)
Learning Outcomes
Candidates should be able to:
(a)
describe the use of the heating effect of electricity in appliances such as electric kettles, ovens and
heaters
(b)
recall and apply the relationships P = V I and E = V I t to new situations or to solve related
problems
(c)
calculate the cost of using electrical appliances where the energy unit is the kW h
(d)
compare the use of non-renewable and renewable energy sources such as fossil fuels, nuclear
energy, solar energy, wind energy and hydroelectric generation to generate electricity in terms of
energy conversion efficiency, cost per kW h produced and environmental impact
(e)
state the hazards of using electricity in the following situations:
(i)
damaged insulation
(ii)
overheating of cables
(iii)
damp conditions
(f)
explain the use of fuses and circuit breakers in electrical circuits and of fuse ratings
(g)
explain the need for earthing metal cases and for double insulation
(h)
state the meaning of the terms live, neutral and earth
(i)
describe the wiring in a mains plug
(j)
explain why switches, fuses, and circuit breakers are wired into the live conductor
20.
Magnetism
Content
Laws of magnetism
Magnetic properties of matter
Magnetic field
Learning Outcomes
Candidates should be able to:
(a)
state the properties of magnets
(b)
describe induced magnetism
(c)
describe electrical methods of magnetisation and demagnetisation
(d)
draw the magnetic field pattern around a bar magnet and between the poles of two bar magnets
(e)
describe the plotting of magnetic field lines with a compass
(f)
distinguish between the properties and uses of temporary magnets (e.g. iron) and permanent
magnets (e.g. steel)
21.
Electromagnetism
Content
Magnetic effect of a current
Applications of the magnetic effect of a current
Force on a current-carrying conductor
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21. 5059 PHYSICS GCE ORDINARY LEVEL (2014)
The d.c. motor
Learning Outcomes
Candidates should be able to:
(a)
draw the pattern of the magnetic field due to currents in straight wires and in solenoids and state
the effect on the magnetic field of changing the magnitude and/or direction of the current
(b)
describe the application of the magnetic effect of a current in a circuit breaker
(c)
describe experiments to show the force on a current-carrying conductor, and on a beam of
charged particles, in a magnetic field, including the effect of reversing
(i)
the current
(ii)
the direction of the field
(d)
deduce the relative directions of force, field and current when any two of these quantities are at
right angles to each other using Fleming’s left-hand rule
(e)
describe the field patterns between currents in parallel conductors and relate these to the forces
which exist between the conductors (excluding the Earth’s field)
(f)
explain how a current-carrying coil in a magnetic field experiences a turning effect and that the
effect is increased by increasing
(i)
the number of turns on the coil
(ii)
the current
(g)
discuss how this turning effect is used in the action of an electric motor
(h)
describe the action of a split-ring commutator in a two-pole, single-coil motor and the effect of
winding the coil on to a soft-iron cylinder
22.
Electromagnetic Induction
Content
Principles of electromagnetic induction
The a.c. generator
Use of cathode-ray oscilloscope
The transformer
Learning Outcomes
Candidates should be able to:
(a)
deduce from Faraday’s experiments on electromagnetic induction or other appropriate
experiments:
(i)
that a changing magnetic field can induce an e.m.f. in a circuit
(ii)
that the direction of the induced e.m.f. opposes the change producing it
(iii)
the factors affecting the magnitude of the induced e.m.f.
(b)
describe a simple form of a.c. generator (rotating coil or rotating magnet) and the use of slip rings
(where needed)
(c)
sketch a graph of voltage output against time for a simple a.c. generator
(d)
describe the use of a cathode-ray oscilloscope (c.r.o.) to display waveforms and to measure
potential differences and short intervals of time (detailed circuits, structure and operation of the
c.r.o. are not required)
(e)
interpret c.r.o. displays of waveforms, potential differences and time intervals to solve related
problems
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22. 5059 PHYSICS GCE ORDINARY LEVEL (2014)
(f)
describe the structure and principle of operation of a simple iron-cored transformer as used for
voltage transformations
(g)
recall and apply the equations VP / VS = NP / NS and VPIP = VSIS to new situations or to solve
related problems (for an ideal transformer)
(h)
describe the energy loss in cables and deduce the advantages of high voltage transmission
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23. 5059 PHYSICS GCE ORDINARY LEVEL (2014)
SUMMARY OF KEY QUANTITIES, SYMBOLS AND UNITS
Students should be able to state the symbols for the following physical quantities and, where indicated,
state the units in which they are measured. Students should be able to define those items indicated by an
asterisk (*).
Quantity
Symbol
Unit
length
l, h . . .
km, m, cm, mm
area
A
m2, cm2
volume
V
m3, cm3
weight*
W
N*
mass
m, M
kg, g, mg
time
t
h, min, s, ms
period*
T
s
density*
ρ
g / cm3, kg / m3
speed*
u, v
km / h, m / s, cm / s
acceleration*
a
m / s2
acceleration of free fall
g
m / s2, N / kg
force*
F, f
N
moment of force*
Nm
work done*
W, E
J*
energy
E
J, kW h*
power*
P
W*
pressure*
p, P
Pa*, N / m2, mm Hg
temperature
θ,T
°C, K
heat capacity
C
J / °C, J / K
specific heat capacity*
c
J / (g °C), J / (g K)
latent heat
L
J
specific latent heat*
l
J / kg, J / g
frequency*
f
Hz
wavelength*
λ
m, cm
focal length
f
m, cm
angle of incidence
i
degree (°)
angles of reflection, refraction
r
degree (°)
critical angle
c
degree (°)
potential difference*/voltage
V
V*, mV
current*
I
A, mA
charge
q, Q
C, A s
e.m.f.*
E
V
resistance
R
Ω
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24. 5059 PHYSICS GCE ORDINARY LEVEL (2014)
PRACTICAL GUIDELINES
Scientific subjects are, by their nature, experimental. It is therefore important that the candidates carry out
appropriate practical work to support and facilitate the learning of this subject. A list of suggested
practical work is provided below.
Measurements of length, time interval, temperature, volume, mass and weight using the
appropriate instruments
Determination of the density of solids and liquids
Determination of the value of the acceleration of free fall
Investigation of the effects of balanced and unbalanced forces
Verification and application of the principle of moments
Investigation of the factors affecting thermal energy transfer
Determination of heat capacities of materials and latent heat of substances
Verification and application of the laws of reflection
Determination of the characteristics of optical images formed by plane mirrors
Verification and application of the refraction of light through glass blocks
Verification and application of the principle of total internal reflection
Investigation of the properties of images obtained through a thin converging lens
Determination of the speed, wavelength and frequency of sound waves
Measurements of current and voltage by using appropriate ammeters and voltmeters
Determination of the resistance of a circuit element using appropriate instruments
Investigation of the magnetic effect of current in a conductor
Investigation of the effects of electromagnetic induction
This is not intended to be an exhaustive list. Reference may be made to the techniques used in these
experiments in the theory papers but no detailed description of the experimental procedures will be
required.
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25. 5059 PHYSICS GCE ORDINARY LEVEL (2014)
MATHEMATICAL REQUIREMENTS
Arithmetic
Candidates should be able to:
(a)
recognise and use expressions in decimal and standard form (scientific) notation
(b)
use appropriate calculating aids (electronic calculator or tables) for addition, subtraction,
multiplication and division. Find arithmetic means, powers (including reciprocals and square
roots), sines, cosines and tangents (and the inverse functions)
(c)
take account of accuracy in numerical work and handle calculations so that significant figures are
neither lost unnecessarily nor carried beyond what is justified, rounding answers correctly when
necessary
(d)
make approximations and estimates to obtain reasonable answers
Algebra
Candidates should be able to:
(a)
change the subject of an equation
(b)
solve simple algebraic equations, including linear simultaneous equations
(c)
use direct and inverse proportion
(d)
substitute physical quantities into physical equations using consistent units
(e)
formulate simple algebraic equations as mathematical models of physical situations and to
represent information given in words
Geometry and trigonometry
Candidates should be able to:
(a)
understand the meaning of angle, curve, circle, radius, diameter, square, parallelogram,
rectangle and diagonal
(b)
calculate areas of right-angled triangles and circles, areas and volumes of rectangular blocks,
volumes of cylinders
(c)
use the angle sum of a right angle and adjacent angles on a straight line
(d)
use sines, cosines and tangents
(e)
use usual mathematical instruments (rules, compasses, protractor, set square)
(f)
recognise and use points of the compass (N, S, E, W)
Graphs
Candidates should be able to:
(a)
translate information between graphical, numerical, algebraic and verbal forms
(b)
select appropriate variables and scales for graph plotting
(c)
for linear graphs, determine the slope and state the intercept and intersection
(d)
choose, by inspection, a straight line which will serve as the best straight line through a set of
data points presented graphically
(e)
recall standard linear form y = mx + c and rearrange relationships into linear form where
appropriate
(f)
understand, draw and use the slope of a tangent to a curve as a means to obtain the gradient
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26. 5059 PHYSICS GCE ORDINARY LEVEL (2014)
GLOSSARY OF TERMS
It is hoped that the glossary will prove helpful to candidates as a guide, although it is not exhaustive. The
glossary has been deliberately kept brief not only with respect to the number of terms included but also to
the descriptions of their meanings. Candidates should appreciate that the meaning of a term must
depend in part on its context. They should also note that the number of marks allocated for any part of a
question is a guide to the depth of treatment required for the answer.
1.
Define (the term(s) ...) is intended literally. Only a formal statement or equivalent paraphrase, such
as the defining equation with symbols identified, being required.
2.
Explain/What is meant by ... normally implies that a definition should be given, together with some
relevant comment on the significance or context of the term(s) concerned, especially where two or
more terms are included in the question. The amount of supplementary comment intended should
be interpreted in the light of the indicated mark value.
3.
State implies a concise answer with little or no supporting argument, e.g. a numerical answer that
can be obtained 'by inspection'.
4.
List requires a number of points with no elaboration. Where a given number of points is specified,
this should not be exceeded.
5.
Describe requires candidates to state in words (using diagrams where appropriate) the main points
of the topic. It is often used with reference either to particular phenomena or to particular
experiments. In the former instance, the term usually implies that the answer should include
reference to (visual) observations associated with the phenomena. The amount of description
intended should be interpreted in the light of the indicated mark value.
6.
Discuss requires candidates to give a critical account of the points involved in the topic.
7.
Predict or deduce implies that candidates are not expected to produce the required answer by recall
but by making a logical connection between other pieces of information. Such information may be
wholly given in the question or may depend on answers extracted in an earlier part of the question.
8.
Suggest is used in two main contexts. It may either imply that there is no unique answer or that
candidates are expected to apply their general knowledge to a 'novel' situation, one that formally
may not be 'in the syllabus'.
9.
Calculate is used when a numerical answer is required. In general, working should be shown.
10. Measure implies that the quantity concerned can be directly obtained from a suitable measuring
instrument, e.g. length, using a rule, or angle, using a protractor.
11. Determine often implies that the quantity concerned cannot be measured directly but is obtained by
calculation, substituting measured or known values of other quantities into a standard formula.
12. Show is used when an algebraic deduction has to be made to prove a given equation. It is important
that the terms being used by candidates are stated explicitly.
13. Estimate implies a reasoned order of magnitude statement or calculation of the quantity concerned.
Candidates should make such simplifying assumptions as may be necessary about points of
principle and about the values of quantities not otherwise included in the question.
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27. 5059 PHYSICS GCE ORDINARY LEVEL (2014)
14. Sketch, when applied to graph work, implies that the shape and/or position of the curve need only be
qualitatively correct. However, candidates should be aware that, depending on the context, some
quantitative aspects may be looked for, e.g. passing through the origin, having an intercept,
asymptote or discontinuity at a particular value. On a sketch graph it is essential that candidates
clearly indicate what is being plotted on each axis.
Sketch, when applied to diagrams, implies that a simple, freehand drawing is acceptable:
nevertheless, care should be taken over proportions and the clear exposition of important details.
SPECIAL NOTE
Nomenclature
The proposals in ‘Signs, Symbols and Systematics (The Association for Science Education Companion to
16-19 Science, 2000)’ will generally be adopted.
Units, significant figures
Candidates should be aware that misuse of units and/or significant figures, i.e. failure to quote units
where necessary, the inclusion of units in quantities defined as ratios or quoting answers to an
inappropriate number of significant figures, is liable to be penalised.
Calculators
An approved calculator may be used in all papers.
Geometrical Instruments
Candidates should have geometrical instruments with them for Paper 1 and Paper 2.
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