A diatomic gas contained in a vessel is subjected to a thermodynamic process such that its pressure changes with volume as shown in Fig.Change of internal energy during the process is:

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4.5 X 105 J

3.2 X 105 J

7.6 x 105 J

5.7 x 105 J

answer is A.

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Detailed Solution

∆U=nCv∆T=n52R(T2-T1)=52(P2V2-P1V1)=4.5×105J

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