Wednesday, March 13, 2013


THERMAL PHYSICS


PART B QUESTIONS

1)      Discuss the different types of thermometric scales
2)      Explain the construction and working of platinum resistance thermometer
3)      Explain the Callendar and Griffith bridge to measure the resistance and temperature
4)      Based on first law of thermodynamics, derive an expression for internal energy based on temperature and volume.
5)      Based on first law of thermodynamics, derive an expression for internal energy based on temperature and pressure.
6)      Explain the working of a Carnot’s ideal heat engine
7)      State and prove Carnot’s theorem.
8)      Explain thermodynamic scale of temperature
9)      Discuss Clausius inequality
10)  Based on the Maxwell thermodynamic relations, show that
Cp-Cv = T(dP/dT)v(dV/dT)p
11)  Based on the Maxwell thermodynamic relations, show that
Cp-Cv = -T(dV/dT)2p(dP/dV)T
12)  Explain the porous plug experiment with suitable diagram
13)  Explain the adiabatic demagnetization with a suitable experiment
14)  Write the postulates of kinetic theory of gases
15)  Explain the experimental verification of Maxwell distribution law.
16)  Explain the Lee’s disc experiment to determine the thermal conductivity of a bad conductor.
17)  Explain the energy distribution in black body radiation with suitable graph.


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