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(A): The root mean square velocity of mo...

(A): The root mean square velocity of molecules of a gas having Maxwellian distribution of velocities is higher than their most probable velocity, at any temperature.
(R): A very small number of molecules of gas possess very large velocities

A

If both (A) and (R) are true and (R) is the correct explanation of (A)

B

If both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

(A) is false and (R) is true

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-KINETIC THEORY OF GASES-Exercise -I
  1. In thermal equilibrium ,the average velocity of gas molecules is

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  2. The molecular weights of two gases are M(1) and M(2) ,then at a temper...

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  3. (A): The root mean square velocity of molecules of a gas having Maxwel...

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  4. Consider a mixture of oxygen and hydrogen kept at room temperature. As...

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  5. Which of the following statement is true.

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  6. Cooking gas containers are kept in a lorry moving with uniform speed.T...

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  7. For a gas at a temperature T the Root mean square velocity v(rms) ,the...

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  8. If V(H),V(N) and V(O) denote the root mean square velocities of molecu...

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  9. At a given temperature if V(rms) is the root mean square velocity of t...

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  10. (A): The root mean square and most probable speeds of the molecules in...

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  11. The root mean square speed of molecules of ideal gases at the same tem...

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  12. A gas is allowed to expand isothermally.The root mean square velocity ...

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  13. A monoatomic gas molecule has

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  14. A diatomic molecule has how many degrees of freedom

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  15. If a gas has 'f' degrees of freedom, find the ratio of C(p) and C(v).

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  16. A cylinder rolls without slipping down an inclined plane, the number o...

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  17. A polyatomic gas with n degrees of freedom has a mean energy per molec...

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  18. In a diatomic molecule, the rotational energy at a given temperature

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  19. Mean kinetic energy (or average energy) per gm mole of a monoatomic ga...

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  20. The kinetic energy per gm mol for a diatomic gas at room temperature i...

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