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Two vessels of the same volume and fille...

Two vessels of the same volume and filled with the same gas at the same temperature. If the pressure of the gas in these vessel be in the ratio 1:2, then state : (i) the ratio of the rms speeds of the molecules, (ii) the ratio of the number of molecules.

A

the ratio of the average energy is 1:2.

B

the ratio of the root mean square velocity is 1:1.

C

the ratio of the average velocity is 1:2.

D

the ratio of number of molecules is 1:2.

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The correct Answer is:
B, D
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