Thermal Physics & Statistical Mechanics-I

The real gas possess

• Internal kinetic energy

• Internal potential energy

• Both internal energy and kinetic energy

• none of above

System is said to be in thermodynamic equilibrium when it is in ......

• Mechanical equilibrium

• Thermal equilibrium

• Chemical equilibrium

• All above

................... remains constant during the adiabatic process

• Volume

• Temperature

• Entropy

• Density

All natural processes are

• Isothermal

• Adiabatic

• Reversible

• Irreversible

Heat engine convert heat into

• Light energy

• Mechanical energy

• Electrical energy

• Magnetic energy

Which of the following is reversible process

• Carnot Heat Engine

• free expansion of gas

• Heat conduction

• Rubbing of stones

The entropy of universe tending to

• Minimum

• Zero

• Maximum

• Constant

Heat conduction through a body is example of

• reversible process

• irreversible process

• isothermal process

• isochoric process

During reversible process ................ remains constant

• Entropy

• temperature

• volume

• density

The unit of specific heat of gas is

• Cal / gm ⁰C

• Cal. gm ⁰C

• Cal ⁰C /gm

• gm ⁰C / Cal