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The efficiency of a heat engine is 50% a...

The efficiency of a heat engine is `50%` and the temperature of the sink is `500^@K`. If the temperature of the source is kept constant and its efficiency is to be raised to `60%`, then the required temperature of the sink should be

A

600 K

B

500 K

C

400 K

D

300 K

Text Solution

Verified by Experts

The correct Answer is:
C
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