Why can any low density gas be used in a constant volume gas thermometer?
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a
All low density gases show the same expansion behaviour
b
They are easy to handle
c
Their pressure variation is proportional to square of the change in temperature
d
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.