Topic 1: Motion, forces and energy
1.1 Physical quantities and measurement techniques:

density= mass/ volume
1.2 Motion



Speed = Distance/ Time
Average speed= Total distance travelled / Total time taken
Acceleration= Change in velocity/ Change in time
1.3 Mass and weight

Weight= Mass x Gravitational field strength
1.4 Density

Density = Mass/ Volume
1.5 Forces
1.5.1 Effects of forces


F= k(x) ; F= Force , k = Spring constant and x =Extension
F = ma ; F =Net force ; m= mass and a = acceleration
1.5.2 Turning effect of forces

Moment of a force = Force × Perpendicular distance from the
pivot
1.5.3 Centre of gravity

No definitions for this sub-topic
1.6 Momentum


Impulse = Force x Time
Resultant force = Change in momentum / Change in time
1.7 Energy, work and power
1.7.1 Energy


Kinetic energy= 0.5 m v2 ; m= mass and v= velocity
Potential energy = mgh
; m= mass , g= gravitational field
strength and h= height of the object above the ground
1.7.2 Work

Work = Force x Distance travelled in the direction of the
force
1.7.3 Energy resources


Percentage efficiency = [ Useful energy output / Total
energy input] x 100
Percentage efficiency = [ Useful power output / Total
power input] x 100
1.7.4 Power


Power= Work done / Time taken
Power= Energy transferred / Time taken
1.8 Pressure


Pressure = Force / Area
Pressure = Height x Density x gravitational field strength
2 Thermal physics
No definitions for these sub-topics:

2.1 Kinetic particle model of matter / 2.1.1 States of
matter /2.1.2 Particle model
2.1.3 Gases and the absolute scale of temperature


Temperature in Kelvin = Temperature in Celsius + 273
Boyle's law PV= Constant
2.2 Thermal properties and temperature
2.2.1 Thermal expansion of solids, liquids and gases

No definitions for these sub-topic
2.2.2 Specific heat capacity

Specific heat capacity = Change in energy
in temperature
2.2.3 Melting, boiling and evaporation

No definitions for this sub-topic
2.3 Transfer of thermal energy
/ Mass x Change
2.3.1 Conduction / 2.3.2 Convection / 2.3.3 Radiation / 2.3.4
Consequences of thermal energy transfer- No definitions for these subtopics
3
Waves
3.1 General properties of waves
Wave Equation :
velocity = frequency x wavelength
3.2 Light


Refractive Index (n)= Sin(i)/Sin(r) [ Use this when
measures f angle "i" and angle "r" are known ]
Refractive Index (n) = 1/Sin(c) [ use this when the value
of critical angle is known]
3.2.3 Thin lenses

No definitions
3.2.4 Dispersion of light

No formulae
3.3 Electromagnetic spectrum

Know the value of speed of light :
3.0 × 108m/s
3.4 Sound


Know the value of Human Audio Frequency : 20 Hz to 20 000 Hz
Know the value of speed of sound in air : 330–350 m/s
4 Electricity and magnetism
4.1 Simple phenomena of magnetism

No definitions
4.2 Electrical quantities

No definitions
4.2.1 Electric charge

No definitions
4.2.2 Electric current

I=Q/t [ Current = Charge per unit time]
4.2.3 Electromotive force and potential difference

E=W/Q
[ E=
Emf ]
4.2.4 Resistance

R=V/I
4.2.5 Electrical energy and electrical power


P = IV
E = IVt
4.3.1 Circuit diagrams and circuit components

No definitions
4.3.2 Series and parallel circuits
4.3.3 Action and use of circuit components

Equation for two resistors used as a potential divider
R2 = V1 / V2
4.4 Electrical safety

No definitions
4.5 Electromagnetic effects
4.5.1 Electromagnetic induction

No definitions
4.5.2 The a.c. generator

No definitions
4.5.3 Magnetic effect of a current

No definitions
4.5.4 Force on a current-carrying conductor

No definitions
R1 /
4.5.5 The d.c. motor
4.5.6 The transformer



Transformer Equation: Vp
Efficiency equation : Ip Vp= Is Vs
P= I2R
/ Vs
= Np / Ns
5 Nuclear physics
This lesson does not have any formulae
5.1 The nuclear model of the atom
5.1.2 The nucleus
5.2 Radioactivity
5.2.1 Detection of radioactivity
5.2.2 The three types of nuclear emission
5.2.3 Radioactive decay
5.2.4 Half-life
5.2.5 Safety precautions
6 Space physics
6.1 Earth and the Solar System
6.1.1 The Earth

v =[ 2 (pi) r] / T ; "r" is the average radius of the
orbit and "T" is the orbital period
6.1.2 The Solar System

No definitions
6.2 Stars and the Universe

No definitions
6.2.1 The Sun as a star

No definitions
6.2.2 Stars

Know that one light-year is equal to 9.5 × 1015m
6.2.3 The Universe


Know that Hubble constant ( Ho) value is is 2.2 × 10–18 per
second
Equation for the age of the universe : d / v= 1 / Ho