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Questions  

When heat is given to a gas in an isothermal change, the result will be

a
External work done
b
Rise in temperature
c
Increase in internal energy
d
External work done and also rise in temp.

detailed solution

Correct option is A

In isothermal change, temperature remains constant, Hence ΔU=0. Also from  ΔQ=ΔU+ΔW⇒ΔQ=ΔW

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