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Assertion : Efficiency of a Carnot engi...

Assertion : Efficiency of a Carnot engine increase on reducing the temperature of sink. Reason : The efficiency of a Carnot engine is defined as ratio of net mechanical work done per cycle by the gas to the amount of heat energy absorbed per cycle from the source.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of t he assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false

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The correct Answer is:
B
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