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in Physics by (70.0k points)

A Carnot engine absorbs 1000 J of heat energy from a reservoir at 127°C and rejects 600 J of heat energy during each cycle. The efficiency of engine and temperature of sink will be: 

(a) 20% and – 43°C 

(b) 40% and – 33°C 

(c) 50% and – 20°C 

(d) 70% and – 10°C

1 Answer

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Best answer

Correct option: (b) 40% and – 33°C

Explanation:

Efficiency of carnot engine,

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