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An ideal gas is expanded such that PT^(2...

An ideal gas is expanded such that `PT^(2)=a` constant. The coefficient of volume expansion of the gas is

A

`(1)/(T)`

B

`(2)/(T)`

C

`(3)/(T)`

D

`(4)/(T)`

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The correct Answer is:
B
According to mosley's law, frequency of `kalpha " x-ray "v prop(z-1)^(2)`
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