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Questions  

A gas expands with temperature according to the relation V=KT23 .What is the  work done when the temperature changes by 300C
 

a
10R
b
30R
c
50R
d
20R

detailed solution

Correct option is D

In polytrophic processTVn−1=KV=KT−1n−1 Given V=KT23−1n−1=232n−2=−32n=−1n=−12W=R1−nT2−T1W=R1+12(30)W=20R

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