1.
In an adiabatic expansion of a gas initial and final temperatures are and respectively, then the change in internal energy of the gas is
2.
For adiabatic process, wrong statement is
3.
Ideal gas undergoes an adiabatic change in its state from  The work done (W) in the process is (=number of molecules,  are molar specific heats of gas)
4.
Which of the following is not thermodynamic coordinate?
5.
Helium at has a volume of . It is suddenly compressed to a volume of . The temperature of the gas will be
6.
A monoatomic ideal gas, initially at temperature is enclosed in a cylinder fitted with a frictionless piston. The gas is allowed to expand adiabatically to a temperature by releasing the piston suddenly. If are the lengths of the gas column before and after expansion respectively, then is given by
7.
One mole of an ideal monoatomic gas is heated at a constant pressure of 1 atm from to . Work done by the gas is
8.
A Carnot engine, having an efficiency of as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is
9.
Which is the correct statement
10.
A measure of the degree of disorder of a system is known as