Heat given in an isothermal process: where it goes

This type of question, asked 2 times: 19 Apr 2025 S1, 21 Apr 2025 S2. All 2 questions below, oldest first.

Try each one first, then open its answer.

Question 1
19 Apr 2025 S1
38 $When the heat is given to a gas in an Isothermal process, then there will be$
Tap an option to check your answer.
Question 2
21 Apr 2025 S2
49 $Heat is given to an ideal gas in an isothermal process. Then (A) internal energy of the gas will decrease. (B) internal energy of the gas will increase. (C) internal energy of the gas will not change. (D) the gas will do negative work.$
Tap an option to check your answer.