Physics

Problem

A Carnot engine having an efficiency of

\frac{1}{10}

is being used as a refrigerator. If the work done on the refrigerator is

10 \text{ J}

, the amount of heat absorbed from the reservoir at lower temperature is: a.

99 \text{ J}

100 \text{ J}

1 \text{ J}

90 \text{ J}