A Carnot engine works between $27^{\circ} C$ and $127^{\circ} C$. Heat supplied by the source is $500\, J$. then heat ejected to the sink is (in $J$)
AIIMS 2019, Medium
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Consider the expression,
$\frac{Q_{\text {in }}}{Q_{\text {ott }}}=\frac{T_{\text {in }}}{T_{\text {out }}}$ $....(I)$
Substitute $500 Q_{\text {in }}, 400$ for $T_{\text {in }} 300$ for $T_{\text {old }}$ in equation $(I).$
$\frac{500}{Q_{\text {out }}}=\frac{400}{300}$
$Q_{\text {out }}=375 J$
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