UNIT I
Transmission of heat : Conduction – Co-efficient of the thermal conductivity – Cylindrical
flow of heat – determination of thermal conductivity of rubber and bad conductor – Lee’s
disc method. Conduction – Convection currents in atmosphere – Laps rate – Stability of
atmosphere – Green house effect – Experimental Determination of Specific heat of liquid.
Radiation – Black body – Wein’s Law - Rayleigh Jeans Law – Stefan’s law – Experimental
Determination of Stefan’s constant – Mathematical derivation of Stephan’s law – Solar
constant – Solar Spectrum – Temperature of the sun
UNIT II
Laws of Thermodynamics: I Law – Isothermal and Adiabatic process – gas equation during
an adiabatic process – Work done an adiabatic expansion of gas – equation of an adiabatic
curve – isothermal processes – Determination of g by clement and Desormes method – II law
– Carnot’s engine- Working efficiency – Carnot refrigerator – Carnot’s Theorem.
UNIT III
Conservation Law – Impulse – Impact – Direct and oblique impact – Final velocity and loss
of kinetic energy – power expression for thrust and velocity – Bancky tracks motion of
vertical circle – friction – Laws of friction– angle of friction – angle of friction – resultant
reaction – cone of friction – Equilibrium of a body on a rough inclined plane to the horizontal
and when the inclination in greater then the angle of friction.
UNIT IV
Gravitation: Kepler’s Law of Planetary motion – Laws of gravitation – Boy’s method for G
– Expression for period – Expression of field ‘g’ – gravitational potential – Gravitational field
at a point due to spherical shell – Variation of ‘g’ with latitude altitude and depth.
Elasticity: Elastic modules – Poison’s ratio – relation between them – Expression for
bending moment – determination of Young’s modular by uniform and non-uniform bending I
section girders – Static Tension – Expression for couple per unit twist – Torsional oscillation-
Determination of E, G and g by Seasli’s method.
UNIT V
Sound: Simple Harmonic vibration – Progressive waves – properties – Composition of two
S.H.M. and beats – stationary waves – Properties Melde’s Experiment for the frequency of
Anx.22 D - B.Sc. Physics (SDE) 2007-08 Page 3 of 21
electrically maintained tuning fork – Transverse and longitudinal modes – acoustics –
Ultrasonic – Properties and application – Doppler effect.

## BSc Subjects