CBSE
Multiple Choice QuestionsGraph of specific heat at constant volume for a monoatomic gas is
The molar specific heats of an ideal gas at constant pressure and volume are denoted by CP and CV respectively. If and R is then CV universal gas constant, then CV is equal to
γR
An ideal gas is taken through the cycle A → B → C → A, as shown in figure. If the net heat supplied to the gas in the cycle is 5 J the work done by the gas in the process A → B is
2 J
3 J
4 J
5 J
A gas mixture contain one mole O2 gas and one mole He gas. Find the ratio of specific heat at constant pressure to that at constant volume of the gaseous mixture
2
1.5
2.5
4
What is the slope for an isothermal process?
Zero
∞
One mole of oxygen of volume 1 litre at 4 atm pressure lo attains 1 atm pressure by result of isothermal expansion. Find work done by the gas.
≈ 155 J
≈ 206 J
≈ 355 J
≈ 552 J
Conversion of water to steam is accompanied by which process?
Adiabatic
Isothermal
Isochoric
Cyclic
In a cyclic process, work done by the system is
zero
more than the heat given to the system
equal to heat given to the system
independent of heat given to system
Ina cylinder their are 60 g Ne and 64 g O2, If pressure of mixture of gases in cylinder is 30 bar then in this cylinder partial pressure of O2 is (in bar)
30
20
15
12
Which of the following is not a state function?
Work-done in adiabatic process.
Work done in isothermal process.
Heat at constant pressure.
Heat at constant volume.
