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At a given temperature, the specific hea...

At a given temperature, the specific heat of a gas at constant pressure is always greater than its specific heat at constant volume.

A

There is greater inter molecular atraction at constant pressure

B

At constnat pressure molecular oscillations are more violent

C

External work need to be done for allowing expansion of gas at constant pressure.

D

Due to more reason other than those mentioned in the above

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The correct Answer is:
C
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NARAYNA-KINETIC THEORY OF GASES-C.U.Q
  1. The gases have two principal specific heats but solids and liquied hav...

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  2. What is specific heat of gas in isothermal changes?

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  3. At a given temperature, the specific heat of a gas at constant pressur...

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  4. The ratio [C(p)//C(v)] of the specific heats at a constant pressure an...

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  5. Which of the following formula is wrong?

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  6. Two identical samples of gases are allowed to expand to the same final...

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  7. Which of the following is true in the case of a reversible process?

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  8. The ratio of the relative rise in pressure for adiabatic compression t...

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  9. Ratio of isothermal elasticity of gas to the adiabatic elasticity is

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  10. The conversion of water into ice is and

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  11. For the Boyle's law to hold good, the necessary condition is

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  12. An isothermal process is a

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  13. Two sample A and B of a gas initially at the same pressure and tempera...

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  14. In which of the following processes all three thermodynamic variables,...

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  15. During adiabatic expansion the increase in volume is associated with

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  16. A gas is being compressed adiabatically. The specific heat of the gas ...

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  17. The gas equation PV//T = constant is true for a constant mass of an id...

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  18. During adiabatic compression of a gas, its temperature

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  19. The work done on the system in an aidabatic compression depends on

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  20. The ratio of slopes of adiabatic and isothermal curves is

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