For an ideal heat engine, the temperature of the source is 127 ° C . In order to have 60 % efficiency…

For an ideal heat engine, the temperature of the source is 127°C. In order to have 60% efficiency the temperature of the sink should be __________C∘. (Round off to the nearest integer)

Solution

n=0.60=1-TLTH

TLTH=0.4⇒TL=0.4×400

=160 K

=-113°C

Asked in: JEE Main 2021 (16 Mar Shift 2)

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