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MCQEasyJEE Main 2023 · 12 April, Shift 1Second Law & Heat Engines

Physics Question from JEE Main 2023 · 12 April, Shift 1

An engine operating between the boiling and freezing points of water will have:

(1) efficiency more than 27%27\%.

(2) efficiency less than the efficiency a Carnot engine operating between the same two temperatures.

(3) efficiency equal to 27%27\%.

(4) efficiency less than 27%27\%.

  • A

    2,3 and 4 only2, 3 \text{ and } 4 \text{ only}

  • B

    2 and 3 only2 \text{ and } 3 \text{ only}

  • C

    2 and 4 only2 \text{ and } 4 \text{ only}

  • D

    1 and 2 only1 \text{ and } 2 \text{ only}

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