Home JEE Main - Previous Year Papers JEE MAIN 2021 PAPER -21 A heat engine operates between a cold reserv…
JEE Main - Previous Year Papers JEE MAIN 2021 PAPER -21 Single Correct MCQ
Published on: August 14, 2026

A heat engine operates between a cold reservoir at temperature and a hot reservoir at temperature . It takes of heat from the hot reservoir and delivers of heat to the cold reservoir in a cycle. The minimum temperature of the hot reservoir has to be K.

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