Thermodynamics Question 216

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

[MP PET 1995; RPMT 1997]

Options:

A) External work done

B) Rise in temperature

C) Increase in internal energy

D) External work done and also rise in temp.

Show Answer

Answer:

Correct Answer: A

Solution:

In isothermal change, temperature remains constant, Hence DU = 0.

Also from $ \Delta Q=\Delta U+\Delta W $

Therefore $ \Delta Q=\Delta W $



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