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Following figure shows two processes A and B for a gas. If ΔQA and ΔQB are the amount of heat absorbed by the system in two cases, and ΔUA and ΔUB are changes in internal energies, respectively, then :

(1)   ΔQAΔQB, UAΔUB 

(2)   ΔQA <ΔQBΔUAΔUB 

(3)   ΔQAΔQBΔUA =  ΔUB 

(4)   ΔQAΔQBΔUAΔUB 

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Correct option (3)   ΔQA > ΔQBΔUA =  ΔUB 

Explanation:

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