Knowing that average kinetic energy of an ideal gas $(X)$ is directly proportional to absolute temperature, if $T_{1} = 273 K,$ which statement(s) describe(s) the other curves ?

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Curve A can be for heavier gas but at same temperature.

Curve B can be for the same gas but at $373 K .$

Curve B can be for lightier gas but at same temperature.

Curve A can be for the same gas but at $373 K .$

answer is A, B, D.

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Detailed Solution

With increasing temperature maxima moves towards higher velocity. And with increasing mass maxima moves towards lower velocity side.

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