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Question

A Carnot engine absorbs 750 J of heat energy from a reservoir at 137C and rejects 500 J of heat during each cycle, then the temperature of sink is

A
0.25C
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B
0.34C
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C
0.44C
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D
0.54C
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Solution

The correct option is B 0.34C
For carnot engine-
TLTH=QLQHTL(137+273)=500750Tl=500×410750=273.333273.34K=0.34°C

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