WAEC 2020/2021 Syllabus For Physics – Latest WAEC Syllabus PDF

WAEC 2020/2021 Syllabus For Physics – Latest WAEC Syllabus PDF. One of the most important Materials need by Candidates preparing for 2020 WAEC Exams is WAEC Syllabus. This is Why many candidates are Online googling For WAEC 2020 Physics Syllabus Using keywords like, WAEC 2019 Syllabus for Physics, 2020 WAEC syllabus, WAEC Physics Syllabus 2020, WAEC Physics Syllabus 2019, Where to get 2020 Physics Syllabus, Where to buy WAEC Physics Syllabus 2020, WAEC Physics Syllabus 2020, The WAEC syllabus for 2020/2021 is given Below, keep reading.

WAEC Syllabus For Physics 2020, WAEC 2020 Physics Syllabus PDF

WAEC 2019/2020 Syllabus For Mathematics

The West African Examination Council is responsible for the setting and marking of the WAEC Exams, The body has made provision for the Exam syllabus to help candidates preparing for the forthcoming exams to use in their various preparation.

WAEC Syllabus For Physics | AIMS

The aims of the syllabus are to enable candidates

(1) acquire proper understanding of the basic principles and applications of Physics;

(2) develop scientific skills and attitudes as pre-requisites for further scientific activities;

(3) recognize the usefulness, and limitations of scientific method to appreciate its applicability ion other disciplines and in every life;

(4) develop abilities, attitudes and skills that encourage efficient and safe practice;

(5) develop scientific attitudes such as accuracy, precision, objectivity, integrity, initiative and inventiveness.

WAEC Syllabus For Physics | ASSESSMENT OBJECTIVES

The following activities appropriate to Physics will be tested:
(1) Acquisition of knowledge and understanding:

Candidates should be able to demonstrate knowledge and understanding of
(a) Scientific phenomena, facts laws, definitions, concepts and theories;
(b) Scientific vocabulary, terminology and conventions (including symbols, quantities and units);
(c) The use of scientific apparatus, including techniques of operation and aspects of safety; (d) Scientific quantities and their determinations;
(e) Scientific and technological applications with their social economic and environmental implications.

(2) Information Handling and Problem-solving

Candidates should be able, using visual, oral, aural and written (including symbolic, diagrammatic, graphical and numerical) information to

(a) locate select, organize and present information from a variety of sources including
everyday experience;

(b) analyse and evaluate information and other data;

(c) use information to identify patterns, report trends and draw inferences;

(d) present reasonable explanations for natural occurrences, patterns and relationships;

(e) make predictions from data.

(3) Experimental and Problem-Solving Techniques Candidates should be able to

(a) follow instructions;

(b) carry out experimental procedures using apparatus;

(c) make and record observations, measurements and estimates with due regard to precision, accuracy and units;

(d) interpret, evaluate and report on observations and experimental data;

(e) identify problems, plan and carry out investigations, including the selection of techniques, apparatus, measuring devices and materials;

(f) evaluate methods and suggest possible improvements;

(g) state and explain the necessary precautions taken in experiments to obtain accurate results.

WAEC Syllabus For Physics | SCHEME OF EXAMINATION

There will be three papers, Papers 1, 2 and 3, all of which must be taken. Papers 1 and 2 will be a composite paper to be taken at one sitting.

PAPER 1: Will consist of fifty multiple choice questions lasting 1¼ hours and carrying 50 marks.

PAPER 2: Will consist of two sections, Sections A and B lasting1½ hours and carrying 60 marks. Section A – Will comprise seven short-structured questions. Candidates will be required to answer any five questions for a total of 15 marks. Section B – Will comprise five essay questions out of which candidates will be required to answer any three for 45 marks.

PAPER 3: Will be a practical test for school candidates or an alternative to practical work paper for private candidates. Each version of the paper will comprise three questions out of which candidates will be required to answer any two in 2¾ hours for 50 marks.

DETAILED SYLLABUS

It is important that candidates are involved in practical activities in covering this syllabus.

Candidates will be expected to answer questions on the topics set in the column headed ‘ TOPIC’. The ‘NOTES’ are intended to indicate the scope of the questions which will be set but they are not to be considered as an exhaustive list of limitations and illustrations.

NOTE: Questions will be set in S.I. units. However, multiples or sub-multiples of the units may be used. PART 1 INTERACTION OF MATTER, SPACE & TIME

WAEC Syllabus For Physics |1. Concepts of matter

Simple Structure of Matter should be discussed. Three physics states of matter, namely solid, liquid and gas should be treated. Evidence of the particle nature of matter e.g. Brownian motion experiment, Kinetic theory of matter. Use of the theory to explain; states of matter (solid, liquid and gas), pressure in a gas, evaporation and boiling; cohesion, adhesion, capillarity. Crystalline and amorphous substances to be compared (Arrangement of atoms in crystalline structure to be described e.g. face centred, body centred

2. Fundamental and derived quantities and units (a) Fundamental quantities and units

(b) Derived quantities and units

Length, mass, time, electric current luminous intensity, thermodynamic temperature, amount of substance as examples of fundamental quantities and m, kg, s, A, cd, K and mol as their respective units.

Volume, density and speed as derived quantities and m3, kgm-3 and ms-1 as their respective units

3. Position, distance and displacement.

(a) Concept of position as a location of point-rectangular coordinates. (b) Measurement of distance

(c) Concept of direction as a way of locating a point –bearing (d) Distinction between distance and displacement

Position of objects in space using the X,Y,Z axes should be mentioned.

Use of string, metre rule, vernier calipers and micrometer screw gauge. Degree of accuracy should be noted. Metre (m) as unit of distance.

Use of compass and a protractor.

Graphical location and directions by axes to be stressed

WAEC Syllabus For Physics | 4. Mass and weight

Distinction between mass and weight

Use of lever balance and chemical/beam balance to measure mass and spring balance to measure weight. Mention should be made of electronic/digital balance.

Kilogram (kg) as unit of mass and newton (N) as unit of weight

WAEC Syllabus For Physics | 5. Time

(a) Concept of time as interval between physical events

(b) Measurement of time

The use of heart-beat, sand-clock, ticker-timer, pendulum and stopwatch/clock.

Second(s) as unit of time

WAEC Syllabus For Physics | 6. Fluid at rest

(a) Volume, density and relative density

(b) Pressure in fluids

(c) Equilibrium of bodies

(i) Archimedes’ principle

(ii) Law of flotation

Experimental determination for solids and liquids.

Concept and definition of pressure. Pascal’s principle, application of principle to hydraulic press and car brakes. Dependence of pressure on the depth of a point below a liquid surface. Atmospheric pressure. Simple barometer, manometer, siphon, syringe and pump. Determination of the relative density of liquids with U-tube and Hare’s apparatus.

Identification of the forces acting on a body partially or completely immersed in a fluid.

Use of the principle to determine the relative densities of solids and liquids.

Establishing the conditions for a body to float in

a fluid. Applications in hydrometer, balloons, boats, ships, submarines etc

7. Motion

(a) Types of motion: Random, rectilinear, translational, Rotational, circular, orbital, spin, Oscillatory.
(b) Relative motion
(c) Cause of motion

(d) Types of force: (i) Contact force (ii) Non-contact force(field force)

(e) Solid friction

Mass, distance, speed and time as examples of scalars.

Weight, displacement, velocity and acceleration as examples of vectors.

Use of force board to determine the resultant of two forces.

Obtain the resultant of two velocities analytically and graphically

(f) Viscosity (friction in fluids)

(g) Simple ideas of circular motion

Only qualitative treatment is required. Illustration should be given for the various types of motion.

Numerical problems on co-linear motion may be set.

Force as cause of motion.

Push and pull These are field forces namely; electric and magnetic attractions and repulsions; gravitational pull.

Frictional force between two stationary bodies (static) and between two bodies in relative motion (dynamic). Coefficients of limiting friction and their determinations. Advantages of friction e.g. in locomotion, friction belt, grindstone. Disadvantages of friction e.g reduction of efficiency, wear and tear of machines. Methods of reducing friction; e.g. use of ball bearings, rollers, streamlining and lubrication.

Definition and effects. Simple explanation as extension of friction in fluids. Fluid friction and its application in lubrication should be treated qualitatively. Terminal velocity and its determination.

Experiments with a string tied to a stone at one end and whirled around should be carried out to

(i) demonstrate motion in a Vertical/horizontal circle.

8. Speed and velocity

(a) Concept of speed as change of distance with time

(b) Concept of velocity as change of displacement with time

(c) Uniform/non-uniform speed/velocity

(d) Distance/displacement-time graph

Metre per second (ms-1) as unit of speed/velocity.

Ticker-timer or similar devices should be used to determine speed/velocity. Definition of velocity as ∆ s ∆t.

Determination of instantaneous speed/velocity from distance/displacement-time graph and by calculation.

9. Rectilinear acceleration

(a) Concept of Acceleration/deceleration as increase/decrease in velocity with time.

(b) Uniform/non-uniform acceleration

(c) Velocity-time graph

(d) Equations of motion with constant acceleration;

Motion under gravity as a special case.

Unit of acceleration as ms-2

Ticker timer or similar devices should be used to determine acceleration. Definition of acceleration as ∆ v ∆t .

Determination of acceleration and displacement from velocity-time graph

Use of equations to solve numerical problems

10. Scalars and vectors

(a) Concept of scalars as physical quantities with magnitude and no direction

(b) Concept of vectors as physical quantities with both magnitude and direction.

(c) Vector representation

(d) Addition of vectors

(e) Resolution of vectors

(f) Resultant velocity using vector representation.

Mass, distance, speed and time as examples of scalars.

Weight, displacement, velocity and acceleration as examples of vectors.

Use of force board to determine the resultant of two forces.

Obtain the resultant of two velocities analytically and graphically

11. Equilibrium of forces

(a) Principle of moments

(b) Conditions for equilibrium of rigid bodies under the action of parallel and non-parallel forces.

(c) Centre of gravity and stability

Torque/Moment of force. Simple treatment of a couple, e.g. turning of water tap, corkscrew and steering wheel.)

Use of force board to determine resultant and equilibrant forces. Treatment should include resolution of forces into two perpendicular directions and composition of forces Parallelogram of forces. Triangle of forces.

Should be treated experimentally. Treatment should include stable, unstable and neutral equilibra.

12. Simple harmonic motion

(a) Illustration, explanation and definition of simple harmonic motion (S.H.M

(b) Speed and acceleration of S.H.M.

(c) Period, frequency and amplitude of a body executing S.H.M.

(d) Energy of S.H.M

(e) Forced vibration and resonance

Use of a loaded test-tube oscillating vertically in a liquid, simple pendulum, spiral spring and bifilar suspension to demonstrate simple harmonic motion.

Relate linear and angular speeds, linear and angular accelerations. Experimental determination of ‘g’ with the simple pendulum and helical spring. The theory of the principles should be treated but derivation of the formula for ‘g’ is not required

Simple problems may be set on simple harmonic motion. Mathematical proof of simple harmonic motion in respect of spiral spring, bifilar suspension and loaded test-tube is not required.

13. Newton’s laws of motion:

(a) First Law: Inertia of rest and inertia of motion

(b) Second Law: Force, acceleration, momentum and impulse

(c) Third Law: Action and reaction

Distinction between inertia mass and weight

Use of timing devices e.g. ticker-timer to determine the acceleration of a falling body and the relationship when the accelerating force is constant.

Linear momentum and its conservation. Collision of elastic bodies in a straight line.

Applications: recoil of a gun, jet and rocket propulsions.

14. Energy: (a) Forms of energy

(b) World energy resources

(c) Conservation of energy.

Examples of various forms of energy should be mentioned e.g. mechanical (potential and kinetic), heat chemical, electrical, light, sound, nuclear.

Renewable (e.g. solar, wind, tides, hydro, ocean waves) and non-renewable (e.g. petroleum, coal, nuclear, biomass) sources of energy should be discussed briefly.

Statement of the principle of conservation of energy and its use in explaining energy transformations

15. Work, Energy and Power

(a) Concept of work as a measure of energy transfer

(b) Concept of energy as capability to do work

(c) Work done in a gravitational field.

(d) Types of mechanical energy

(i) Potential energy (P.E.)

(ii) Kinetic energy (K.E)

(e) Conservation of mechanical energy.

(f) Concept of power as time rate of doing work.

(g) Application of mechanical energymachines. Levers, pulleys, inclined plane, wedge, screw, wheel and axle, gears

Unit of energy as the joule (J)

Unit of energy as the joule (J) while unit of electrical consumption is KWh.

Work done in lifting a body and by falling bodies

Derivation of P.E and K.E are expected to be known. Identification of types of energy possessed by a body under given conditions.

Verification of the principle

Unit of power as the watt (W)

The force ratio (F.R), mechanical advantage (M.A), velocity ratio (V.R) and efficiency of each machine should be treated. Identification of simple machines that make up a given complicated machine e.g. bicycle. Effects of friction on Machines. Reduction of friction in machines

16. Heat Energy

(a) Temperature and its measurement

(b) Effects of heat on matter e.g

(i) Rise in temperature (ii) Change of phase state (iii) Expansion (iv) Change of resistance

(c) Thermal expansion – Linear, area and volume expansivities
Unit

(d) Heat transfer – Condition, convention and radiation.

(e) The gas laws-Boyle’s law Charles’ law, pressure law and general gas law

(f) Measurement of heat energy: (i) Concept of heat capacity (ii) Specific heat capacity.

(g) Latent heat (i) Concept of latent heat

(ii) Melting point and boiling Point

(iii) Specific latent heat of fusion and of vaporization

(h) Evaporation and boiling

(i) Vapour and vapour pressure

(j) Humidity, relative humidity and dew point

(k) Humidity and the weather

Concept of temperature as degree of hotness or coldness of a body. Construction and graduation of a simple thermometer. Properties of thermometric liquids. The following thermometer, should be treated: Constant – volume gas thermometer, resistance thermometer, thermocouple, liquid-in-glass thermometer including maximum and minimum thermometer and clinical thermometer, pyrometer should be mentioned. Celsius and Absolute scales of temperature. Kelvin and degree Celsius as units of temperature.

Use of the Kinetic theory to explain effects of heat.

Mention should be made of the following effects: Change of colour Thermionic emission Change in chemical properties

Qualitative and quantitative treatment Consequences and application of expansions. Expansion in buildings and bridges, bimetallic strips, thermostat, over-head cables causing sagging nd in railway lines causing buckling. Real and apparent expansion of liquids. Anomalous expansion of water.

Per Kelvin (K-1) as the unit of expansivity.

Use of the kinetic theory to explain the modes of heat transfer. Simple experimental illustrations. Treatment should include the explanation of land and sea breezes, ventilation and application s in cooling devices. The vacuum flask.

The laws should be verified using simple apparatus. Use of the kinetic theory to explain the laws. Simple problems may be set. Mention should be made of the operation of safety air bags in vehicles.

Use of the method of mixtures and the electrical method to determine the specific heat capacities of solids and liquids. Land and sea breezes related to the specific heat capacity of water and land, Jkg-1 K-1 as unit of specific heat capacity.

Explanation and types of latent heat.

Determination of the melting point of solid and the boiling point of a liquid. Effects of impurities and pressure on melting and boiling points. Application in pressure cooker.

Use of the method of mixtures and the electrical method to determine the specific latent heats of fusion of ice and of vaporization of steam. Applications in refrigerators and air conditioners.

Jkg-1 as unit of specific latent heat

Effect of temperature, humidity, surface area and draught on evaporation to be discussed.

Explanation of vapour and vapour pressure. Demonstration of vapour pressure using simple experiments. Saturated vapour pressure and its relation to boiling.

Measurement of dew point and relative humidity. Estimation of humidity of the atmosphere using wet and dry-bulb hygrometer.

Formation of dew, fog and rain

17. Production and propagation of waves

(a) Production and propagation of mechanical waves

(b) Pulsating system: Energy transmitted with definite speed, frequency and wavelength.

(c) Waveform

(d) Mathematical relationship connecting frequency (f), wavelength(), period (T) and velocity (v)

Use of ropes and springs (slinky) to generate mechanical waves

Use of ripple tank to show water waves and to demonstrate energy propagation by waves. Hertz(Hz) as unit of frequency.

Description and graphical representation. Amplitude, wave length, frequency and period. Sound and light as wave phenomena. V= f and T = simple problems may be set

18. Types of waves

(a) Transverse and longitudinal

(b) Mathematical representation of wave motion

Examples to be given

Equation y = A sin (wt±

) to be explained Questions on phase difference will not be set

19. Properties of waves: Reflection, refraction, diffraction, Interference, superposition of progressive waves producing standing stationary waves

Ripple tank should be extensively used to demonstrate these properties with plane and circular waves. Explanation of the properties

20. Light waves

(a) Sources of light

(b) Rectilinear propagation of light

(c) Reflection of light at plane surface: plane mirror

(d) Reflection of light at curved surfaces: concave and convex mirrors

(e) Refraction of light at plane surfaces: rectangular gla

(g) Application of lenses in optical instruments.

(h) Dispersion of white light by a triangular glass prism.

Natural and artificial. Luminous and non-luminous bodies

ss prism (block) and triangular prism.

(f) Refraction of light at curved

surfaces: Converging and diverging lenses

Formation of Shadows and eclipse. Pinhole camera. Simple numerical problems may be set.

Regular and irregular reflections. Verification of laws of reflection. Formation of images. Inclined plane mirrors. Rotation of mirrors. Applications in periscope, sextant and kaleidoscope.

Laws of reflection. Formation of images. Characteristics of images. Use of mirror formulae:
+ = and magnification m = to solve numerical problems. (Derivation of formulae is not required)

Experimental determination of the focal length of concave mirror. Applications in searchlight, parabolic and driving mirrors, car headlamps etc.

Laws of refraction. Formation of images, real and Apparent depths. Critical angle and total internal reflection. Lateral displacement and angle of deviation. Use of minimum deviation equation:

Sin (A + Dm) = 2

Sin A/2 (Derivation of the formula is not required) Applications: periscope, prism binoculars, optical fibres. The mirage.

Formation of images. Use of lens formulae + = and magnification tp solve numerical problems

(derivation of the formulae not required). Experimental determination of the focal length of converging lens. Power of lens in dioptres (D)

Simple camera, the human eye, film projector, simple and compound microscopes, terrestrial and astronomical telescopes. Angular magnification. Prism binoculars. The structure and function of the camera and the human eye should be compared. Defects of the human eye and their corrections.

Production of pure spectrum of a white light. Recombination of the components of the spectrum. Colours of objects. Mixing coloured lights

21. Electromagnetic waves: Types of radiation in electromagnetic Spectrum

Elementary description and uses of various types of radiation: Radio, infrared, visible light, ultra-violet, X-rays, gamma rays.

22. Sound Waves

(a) Sources of sound (b) Transmission of sound waves

(c) Speed of sound in solid, liquid and

air

(d) Echoes and reverberation

(e) Noise and music (f) Characteristics of sound

(g) Vibration in strings

(h) Forced vibration

(i) Resonance (ii) Harmonies and overtones

(i) Vibration of air in pipe – open and closed pipes

Experiment to show that a material medium is required.

To be compared. Dependence of velocity of sound

on temperature and pressure to be considered.

Use of echoes in mineral exploration, and determination of ocean depth. Thunder and multiple reflections in a large room as examples of reverberation.

Pitch, loudness and quality

The use of sonometer to demonstrate the dependence of frequency (f) on length (1), tension (T) and mass per unit length (liner density) (m) of string should be treated. Use of the formula:

o =

In solving simple numerical problems. Applications in stringed instruments: e.g. guitar, piano, harp and violin.

Use of resonance boxes and sonometer to illustrate forced vibration.

Use of overtones to explain the quality of a musical note. Applications in percussion instruments: e.g drum, bell, cymbals, xylophone.

Measurement of velocity of sound in air or frequency of tuning fork using the resonance tube. Use of the relationship v = in solving numerical problems. End correction is expected to be mentioned. Applications in wind instruments e.g. organ, flute, trumpet, horn, clarinet and saxophone

WAEC Syllabus For Physics | PART IV FIELDS

23. Description property of fields.

(a) Concept of fields: Gravitational, electric and Magnetic

(b) Properties of a force field

Use of compass needle and iron filings to show magnetic field lines

WAEC Syllabus For Physics | 24. Gravitational field

(a) Acceleration due to gravity, (g)

(b) Gravitational force between two masses:

Newton’s law of gravitation

(c) Gravitational potential and escape velocity

G as gravitational field intensity should be mentioned, g = F/m.

Masses include protons, electrons and planets

Universal gravitational constant (G) Relationship between ‘G’ and ‘g’

Calculation of the escape velocity of a rocket from the earth’s gravitational field

WAEC Syllabus For Physics | 25. Electric Field

(1) Electrostatics (a) Production of electric charges

(b) Types of distribution of charges

(c) Storage of charges

(d) Electric lines of force

(e) Electric force between point charges: Coulomb’s law

(f) Concepts of electric field, electric field intensity (potential gradient) and electric potential.

(g) Capacitance- Definition, arrangement and application

Production by friction, induction and contact.

A simple electroscope should be used to detect and compare charges on differently-shaped bodies.

Application in light conductors.

Determination, properties and field patterns of charges

Permittivity of a medium.

Calculation of electric field intensity and electric potential of simple systems.

Factors affecting the capacitance of a parallel-plate capacitor. The farad (F) as unit of capacitance. Capacitors in series and in parallel. Energy stored in a charged capacitor. Uses of capacitors: e.g. in radio and Television. (Derivation of formulae for capacitance is not required)

(2) Current electricity (a) Production of electric current from primary and secondary cells

(b) Potential difference and electric current

(c) Electric circuit

(d) Electric conduction through materials

(e) Electric energy and power

(f) Shunt and multiplier

(g) Resistivity and Conductivity

(h) Measurement of electric current, potential difference, resistance, e.m.f. and internal resistance of a cell

Simple cell and its defects. Daniel cell, Lechanché cell (wet and dry). Lead-acid accumulator. Alkalne-cadium cell. E.m.f. of a cell, the volt (V) as unit of e.m.f.

Ohm’s law and resistance. Verification of Ohm’s law. The volt (V), ampere (A) and ohm (Ω) as units of p.d., current and reisistance respectively.

Series and parallel arrangement of cells and resistors. Lost volt and internal resistance of batteries.

Ohmic and non ohmic conductors. Examples of ohmic conductors are metals, non-ohmic conductors are semiconductors.

Quantitative definition of electrical energy and power. Heating effect of an electric current and its application. Conversion of electrical energy to mechanical energy e.g. electric motors. Conversion of solar energy to electrical and heat energies: e.g. solar cells, solar heaters

Use in conversion of a galvanometer into an ammeter and a voltmeter.

Factors affecting the electrical resistance of a material should be treated. Simple problems may be set.

Principle of operation and use of ammeter, voltmeter, potentiometer. The wheatstone bridge and metre bridge

WAEC Syllabus For Physics | 26. Magnetic field

(a) Properties of magnets and magnetic materials.

(b) Magnetization and demagnetization.

(c) Concept of magnetic field

(d) Magnetic force on: (i) a current-carrying conductor placed in a magnetic field; (ii) between two parallel current-carrying conductors (e) Use of electromagnets

(f) The earth’s magnetic field

(g) Magnetic force on a moving charged particle

Practical examples such as soft iron, steel and alloys.

Temporary and permanent magnets. Comparison of iron and steel as magnetic materials.

Magnetic flux and magnetic flux density. Magnetic field around a permanent magnet, a current-carrying conductor and a solenoid. Plotting of line of force to locate neutral points Units of magnetic flux and magnetic flux density as weber (Wb) and tesla (T) respectively.

Qualitative treatment only. Applications: electric motor and moving-coil galvanometer.

Examples in electric bell, telephone earpiece etc.

Mariner’s compass. Angles of dip and declination.

Solving simple problems involving the motion of a charged particle in a magnetic field, using F=qvB sin

WAEC Syllabus For Physics | 27. Electromagnetic field

(a) Concept of electromagnetic field

(i) Shunt and multiplier

(j) Resistivity and Conductivity

(k) Measurement of electric current, potential difference, resistance, e.m.f. and internal resistance of a cell.

Identifying the directions of current, magnetic field and force in an electromagnetic field (Fleming’s lefthand rule

Use in conversion of a galvanometer into an ammeter and a voltmeter.

Factors affecting the electrical resistance of a material should be treated. Simple problems may be set.

Principle of operation and use of ammeter, voltmeter, potentiometer. The wheatstone bridge and metre bridge

WAEC Syllabus For Physics | 26. Magnetic field

(h) Properties of magnets and magnetic materials.

(i) Magnetization and demagnetization.

(j) Concept of magnetic field

(k) Magnetic force on: (i) a current-carrying conductor placed in a magnetic field; (ii) between two parallel current-carrying conductors (l) Use of electromagnets

(m) The earth’s magnetic field

(n) Magnetic force on a moving charged particle

Practical examples such as soft iron, steel and alloys.

Temporary and permanent magnets. Comparison of iron and steel as magnetic materials.

Magnetic flux and magnetic flux density. Magnetic field around a permanent magnet, a current-carrying conductor and a solenoid. Plotting of line of force to locate neutral points Units of magnetic flux and magnetic flux density as weber (Wb) and tesla (T) respectively.

Qualitative treatment only. Applications: electric motor and moving-coil galvanometer.

Examples in electric bell, telephone earpiece etc.

Mariner’s compass. Angles of dip and declination.

Solving simple problems involving the motion of a charged particle in a magnetic field, using F=qvB sin

27. Electromagnetic field

(a) Concept of electromagnetic field

(b) Electromagnetic induction

Faraday’s law ,Lenz’s law and motor-generator effect

(c) Inductance

(d) Eddy currents

(e) Power transmission and distribution

Identifying the directions of current, magnetic field and force in an electromagnetic field (Fleming’s lefthand rule

Applications: Generator (d.c.and a.c.) induction coil and transformer. The principles underlying the production of direct and alternating currents should be treated. Equation E = Eo sinwt should be explained.

Qualitative explanation of self and mutual inductance. The unit of inductance is henry (H).

(E =
LI2)

Application in radio,T.V., transformer. (Derivation of formula is not required).

A method of reducing eddy current losses should be treated. Applications in induction furnace, speedometer, etc.

Reduction of power losses in high-tension transmission lines. Household wiring system should be discussed.

28. Simple a.c. circuits

(a) Graphical representation of e.m.f and current in an a.c. circult.

(b) Peak and r..m.s. values

(c) Series circuit containing resistor, inductor and capacitor

(d) Reactance and impedance

(e) Vector diagrams

(f) Resonance in an a.c, circuit

(g) Power in an a.c. circuit

Graphs of equation I – Io sin wt and\E = Eo sinwt should be treated.

Phase relationship between voltage and current in the circuit elements; resistor, inductor and capacitor

Simple calculations involving a.c. circuit. (Derivation of formulae is not required.)

XL and Xc should be treated. Simple numerical problems may be set.

Applications in tuning of radio and T.V. should be discussed

WAEC Syllabus For Physics | PART V

ATOMIC AND NUCELAR PHYSICS

WAEC Syllabus For Physics | 29. Structure of the atom

(a) Models of the atom

(b) Energy quantization

(c) Photoelectric effect

(d) Thermionic emission

(e) X-rays

Thomson, Rutherford, Bohr and electroncloud (wave-mechanical) models should be discussed qualitatively. Limitations of each model. Quantization of angular momentum (Bohr)

Energy levels in the atom. Colour and light frequency. Treatment should include the following: Frank-Hertz experiment, Line spectra from hot bodies, absorption spectra and spectra of discharge lamps.

Explanation of photoelectric effect. Dual nature of light. Work function and threshold frequency. Einstein’s photoelectric equation and its explanation. Application in T.V., camera, etc. Simple problems may be set.

Explanation and applications

Production of X-rays and structure of X-ray tube. Types, characteristics, properties, uses and hazards of X-rays. Safety precautions

WAEC Syllabus For Physics | 30. Structure of the nucleus

(a) Composition of the nucleus

(a) Radioactivity – Natural and artificial

(b) Nuclear reactions — Fusion and Fission

Radioactive elements, radioactive emissions (,β,)and their properties and uses. Detection of radiations by G – M counter, photographic plates, etc. should be mentioned. Radioactive decay, half-life and decay constant. Transformation of elements. Applications of radioactivity in agriculture, medicine, industry, archaeology, etc.

Distinction between fusion and fission. Binding energy, mass defect and energy equation:

E= ∆ mc2

Nuclear reactors. Atomic bomb. Radiation hazards and safety precautions. Peaceful uses of nuclear reactions

WAEC Syllabus For Physics | 31. Wave-particle paradox

(a) Electron diffraction (b) Duality of matter

Simple illustration of the dual nature of light

HARMONISED TOPICS FOR SHORT STRUCTURED QUESTIONS FOR ALL MEMBER COUNTRIES

WAEC Syllabus For Physics | 1. Derived quantities and dimensional Analysis

Fundamental quantities and units e.g. Length, mass, time, electric current, luminous intensity e.t.c., m, kg,s, A, cd, e.t.c. as their respective units Derived quantities and units. e.g. volume, density, speed e.t.c. m3, kgm-3, ms-1 e.t.c. as their respective unit Explanation of dimensions in terms of fundamental and derived quantities. Uses of dimensions – to verity dimensional correctness of a given equation – to derive the relationship between quantities – to obtain derived units.

2. Projectile motion concept of projectiles as an object thrown/release into space

Applications of projectiles in warfare, sports etc. Simple problems involving range, maximum height and time of flight may be set.

WAEC Syllabus For Physics | 3. Satellites and rockets

Meaning of a satellite comparison of natural and artificial satellites parking orbits, Geostationary satellites and period of revolution and speed of a satellite. Uses of satellites and rockets

4. Elastic Properties of solid: Hooke’s law, Young’s modules and work done in springs and string

Thermal conductivity: Solar energy collector and Black body Radiation.

Behaviour of elastic materials under stress – features of load – extension graph Simple calculations on Hook’s law and Young’s modulus.

Solar energy; solar panel for heat energy supply. Explanation of a blackbody. Variation of intensity of black body radiation with wavelength at different temperatures

5. Fibre Optics

Explanation of concept of fibre optics. Principle of transmission of light through an optical fibre Applications of fibre optics e.g. local area Networks (LAN) medicine, rensing devices, carrying laser beams e.t.c

WAEC Syllabus For Physics | 6. Introduction to LASER

Meaning of LASER Types of LASERS (Solid state, gas, liquid and semi-conductor LASERS Application of LASERS (in Scientific research, communication, medicine military technology, Holograms e.t.c. Dangers involved in using LASERS

7. Magnetic materials

Uses of magnets and ferromagnetic materials

8. Electrical Conduction through materials [Electronic]

Distinction between conductors, semiconductors and insulators in term of band theory. Semi conductor materials (silicon and germanium) Meaning of intrinsic semiconductors. (Example of materials silicon and germanium). Charge carriers Doping production of p-type and n-type extrinsic semi conductors. Junction diode – forward and reverse biasing, voltage characteristics. Uses of diodes Half and full wave rectification

WAEC Syllabus For Physics | 9. Structure of matter

Use of kinetic theory to explain diffusion.

WAEC Syllabus For Physics | 10. Wave – particle paradox

Electron diffraction Duality of matter Simple illustrations of dual nature of light.

Above is the WAEC Syllabus For WAEC 2020.

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