Suppose a container is evacuated to leave just one molecule of a gas in it. Let Va and Vrms represent average speed and the rms speed of the gas.
A
Va>Vrms
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B
Va<Vrms
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C
Va=Vrms
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D
Vrms is undefined
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Solution
The correct option is CVa=Vrms
Let Va and Vrms represent average speed and the rms speed of the gas is Va=Vrms as there are no any factor affecting these speeds and it remains constant.