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Questions  

A certain mass of you at 273 k is expanded to 256 times its volume under adiabatic temperature is

a
-235.65o C
b
-182o C
c
-204.75o C
d
Zero

detailed solution

Correct option is C

For adiabatic process, TVγ−1= constant ⇒T2T1=V1V2γ−1⇒T2=V1V2γ−1×T1⇒T2=12561.2−1×273=1256023×273⇒T2=273×14=68.25K=−204.75∘C

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