A carnot engine having an efficiency of $\large\frac{1}{10}$ as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energv absorbed from the reservoir at lower temperature is :

Question

$\begin{array}{1 1} (1) 1\;J \\ (2) 90\;J \\ (3) 99\;J \\ (4) 100\;J\end{array}$