### PHYSICS As LEVEL(FORM FIVE) NOTES – HEAT-2

HEAT-2 or UNIT OF R From, R = = = K From R = – Hence the SI unit used is Kelvin per watt (K)

### PHYSICS As LEVEL(FORM FIVE) NOTES – HEAT-3(2)

APPLICATIONS OF FIRST LAW OF THERMODYNAMICS The first law of thermodynamics can be applied to some simple processes such as: Relation between and Boiling process

### PHYSICS A LEVEL(FORM SIX) NOTES – PLANCK’S QUANTUM THEORY OF BLACK BODY RADIATION(4)

X-RAYS X-rays are produced by bombarding a target of heavy metal with high energy electron.NECTA 1984/2/8 The emission of X-rays may be regarded as the

### PHYSICS As LEVEL(FORM FIVE) NOTES – WAVE MOTION-2(2)

MEASUREMENT OF WAVE LENGTH BY NEWTON’S RINGS EXPERIMENT è The effect can be used to determine the wavelength of a light source if the radius

### PHYSICS As LEVEL(FORM FIVE) NOTES – ROTATION OF RIGID BODIES(2)

For a uniform rod the moment of inertia about an axis through the centre is Therefore the moment of inertia about an axis through one

### PHYSICS A LEVEL(FORM SIX) NOTES – PLANCK’S QUANTUM THEORY OF BLACK BODY RADIATION(3)

FAILURE OF WAVE THEORY/CLASSICAL PHYSICS TO EXPLAIN PHOTOELECTRIC EFFECTThe wave theory of radiation failed to explain photoelectric effect. This will become clear from the following

### PHYSICS As LEVEL(FORM FIVE) NOTES – STRENGTH OF MATERIALS

STRENGTH OF MATERIALS Young’s Modules of Elasticity Y= Y = = A tensile or longitudinal force is a force which stretches or increases the length

### PHYSICS As LEVEL(FORM FIVE) NOTES – WAVE MOTION-2(1)

WAVE MOTION-2DERIVATION OF SNELL’S LAW ON THE BASIS OF HUYGEN’S PRINCIPLE -Consider a plane wave front AA’ which is incident on a transparent medium MM’