MHT CET 2025 Physics question

When the heat is given to a gas in an Isothermal process, then there will be

(A)external work doneCorrect
(B)rise in temperature
(C)increase in internal energy
(D)external work done and also rise in temperature

Answer: (A)

Solution

In an isothermal process the temperature is constant, so the change in internal energy of an ideal gas is . The first law then gives : all the heat supplied is converted

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Question ID VK-100692