Physics · 2018
JEE Main · 15 April 2018, Shift 1 · Q10
A Carnot's engine works as a refrigerator between 250 K and 300 K. It receives 500 cal heat from the reservoir at the lower temperature. The amount…
A Carnot's engine works as a refrigerator between $\displaystyle 250$ K and $\displaystyle 300$ K . It receives $\displaystyle 500$ cal heat from the reservoir at the lower temperature. The amount of work done in each cycle to operate the refrigerator is :
Official answer
(1)
$\displaystyle 420$ J
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JEE Main 2018 Physics question, with the answer from NTA’s final answer key. Where our answers come from.