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One mole of a monatomic ideal gas undergoes the cyclic process J → K→ L→ M→ J, as shown in the P-T diagram. Match the quantities mentioned in List-I with their values in List-II and choose the correct option. [R is the gas constant.] List-I List-II (P) Work done in the complete cyclic process (1) RT 0 – 4RT 0 n 2 (Q) Change in the internal energy of the gas in the process JK (2) 0 (R) Heat given to the gas in the process KL (3) 3RT 0 (S) Change in the internal energy of the gas in the process MJ (4) –2RT 0 n 2 (5) –3RT 0 n 2
- P 1; Q 3; R 5; S 4
- P 4; Q 3; R 5; S 2
- P 4; Q 1; R 2; S 2
- P 2; Q 5; R 3; S 4
Correct answer: P 4; Q 3; R 5; S 2
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