Why can any low density gas be used in a constant volume gas thermometer?

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All low density gases show the same expansion behaviour

They are easy to handle

Their pressure variation is proportional to square of the change in temperature

The given statement is not true

answer is A.

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Detailed Solution

It has been experimentally shown that low density gases show similar expansion behaviour. If we keep the gas’s volume constant pressure increases monotonically with increasing temperature. Hence, we can use any low density gas for a constant volume gas thermometer.

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