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Question

If the rms velocity of a gas is v, then

A
v2T= constant
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B
v2/T= constant
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C
vT2= constant
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D
v is independent of T
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Solution

The correct option is B v2/T= constant
rms velocity is given by:
v=3kTm or v2=3kTm
For a gas, k and m are constants
v2T= constant
Hence, the correct answer is option (b).

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