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If for a gas R/Cv = 0.67 , this gas is m...

If for a gas `R/C_v = 0.67` , this gas is made up of molecules, which are :

A

mixture of diatomic and polyatomic

B

monoatomic

C

polyatomic

D

diatomic

Text Solution

Verified by Experts

The correct Answer is:
B
`C_v=f/2R=1/(0.67)R`
`f = 2/0.67=3`
Hence the gas is monoatomic.
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PREMIERS PUBLISHERS-KINETIC THEORY OF GASES-OTHER IMPORTANT QUESTIONS & ANSWERS (I. Multiple Choice Questions.)
  1. Degree of freedom of a polyatomic gas is :

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  2. In an adiabatic change, the pressure and temperature of a monoatomic g...

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  3. If for a gas R/Cv = 0.67 , this gas is made up of molecules, which are...

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  4. In the given (V - T) diagram , what is the relation between pressure P...

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  5. Select the correct statement from the following statements.

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  6. Select the incorrect statement from the following statements.

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  7. The ratio of the specific heats CP/CV = gamma in terms of degrees of f...

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  8. If the pressure in a closed vessel is reduced by drawing out some , th...

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  9. If gamma=CP/CV for a gas and R is universal gas constant then select ...

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  10. According to kinetic theory of gases, molecules of a gas behave like .

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  11. A gas behaves as an ideal gas at :

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  12. Select the correct pair from the following parameters.

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  13. The mean translational kinetic energy of a perfect gas molecule at the...

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  14. The ratio of rotational kinetic energy to the total kinetic energy of ...

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  15. Which one of the following is not an assumption of kinetic theory of g...

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  16. At 0 K, which of the following properties of a gas will be zero ?

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  17. Match the parameters given in column I with the expressions given in c...

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  18. Two gases A and B having same pressure P, volume V , and Temperature T...

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  19. The adjoining figure shows graph of pressure and volume of a gas at tw...

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  20. At a given temperature , the ratio of kinetic energies of 3 g of hydro...

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