week 1 week 2 week 3 week 4 Motion in a circle
Angular displacement and angular speed Centripetal force
Gravitational fields
Newton’s law of
gravitation
Motion of satellites
Gravitational field strength
Gravitational potential Gravitational potential
energy
Electric fields
Coulomb’s law
Electric field strength (E)
Electric potential (V) Determining resultant
E and V due to two charged bodies
Oscillations
Simple harmonic motion (SHM)
Displacement, velocity and acceleration in SHM
Energy in SHM Damped oscillation Resonance
week 5 week 6 week 7 week 8
Waves
Ultrasound production Acoustic impedance
and intensity reflection coefficient
Ultrasound scanning
Communication
Modulation
Digital transmission Communication
channels Satellite
communication Attenuation, gain and
signal-to-noise ratio (SNR)
Capacitance
Capacitors in series and parallel
Energy stored in a capacitor
Electronics
Electronic sensors Ideal op-amp
Inverting op-amp Non-inverting op-amp Relay and LED
Magnetic fields
Force on a current-carrying conductor in a magnetic field
week 9 week 10 week 11 week 12
Measuring magnetic flux density by a current balance Velocity selection of
moving charges Hall voltage
Determining charge-to-mass ratio of electron MRI scanning
EM induction
Laws of EM induction
Alternating current
Root-mean square current and voltage Power in a.c. circuits Transformer
Rectification of a.c.
Quantum physics
Particulate nature of EM radiation and photon
Photoelectric effect de Broglie wavelength
and electron diffraction Line spectra
Band theory
X-ray and CT scanning
Particle and nuclear physics
Nuclear binding energy Nuclear Fusion and
fission reactions Radioactive decay Activity, decay
constant and half-life
week 13 week 14 week 15 week 16
Ideal gases
Equation of state Kinetic theory of gases Pressure of an ideal
gas
Past-paper questions
K.E. of a gas molecule Past-paper questions
Temperature
Temperature scales Thermometers
Thermal properties of matter
Specific heat capacity Specific latent heat Determining specific
heats
Past-paper questions
Internal energy Simple kinetic model of
matter 1st
law of
thermodynamics Past-paper questions
CONTENTS
Data 1
Formulae 2
Chapter 1 Physical quantities and units 3 - 4
Chapter 10 Ideal gases 5 - 26
Chapter 11 Temperature 27 - 32
Chapter 12 Thermal properties of materials 33 - 66
Chapter 7 Motion in a circle 67 - 70
Chapter 8 Gravitational fields 71 - 118
Chapter 17 Electric fields 119 - 164
Chapter 13 Oscillations 165 - 214
Chapter 14 Waves 215 - 234
Chapter 16 Communication 235 – 278
Chapter 18 Capacitance 279 - 300
Chapter 19 Current of electricity 301 - 302
Chapter 20 D.C. circuits 303 - 308
Chapter 21 Electronics 309 - 352
Chapter 22 Magnetic fields 353 - 396
Chapter 23 Electromagnetic induction 397 - 420
Chapter 24 Alternating current 421 - 452
Chapter 25 Quantum physics 453 - 522
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1 (a) random/haphazard B1 constant velocity or speed in a straight line between collisions B1 or
distribution of speeds/different directions
(b) (small) specks of light/bright specks/pollen grains/dust particles/smoke particles M1 moving haphazardly/randomly/jerky/in a zigzag fashion A1 (c) (i) pV = ⅓ Nm〈c2〉 C1
1.05 × 105× 0.0240 = ⅓ × 4.00 × 10–3 × 〈c2〉
〈c2〉 = 1.89 × 106
C1
or
½ m〈c2〉 = (3 / 2) kT (C1)
0.5 × (4.00 × 10–3 / 6.02 × 1023) × 〈c2〉 = 1.5 × 1.38 × 10–23 × 300
〈c2〉 = 1.87 × 106
(C1)
or
nRT = ⅓ Nm〈c2〉
(C1) 1.00 × 8.31 × 300 = ⅓ × 4.00 × 10–3 × 〈c2〉
〈c2〉 = 1.87 × 106
(C1)
cr.m.s. = 1.37 × 103 m s–1 A1
(ii) 〈c2〉 T C1
〈c2〉 at 177 °C = 1.89 × 106 × (450 / 300)
C1 cr.m.s. at 177 °C = 1.68 × 103 m s–1 A1
2 (a) (i) mean/average square speed/velocity B1
(ii) pV = NkT or pV = nRT B1 ρ = Nm / V B1 or
ρ = nNAm / V and k = nR / N
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