1.

(A): Efficiency of carnot engine increase on reducing the temperature of sink. (R ): 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.

Answer»

Both (A) and(R ) are TRUE and (R ) is the CORRECT EXPLANATION of (A)
Both (A) and (R ) are (R ) true and is not the correct explanation of (A)
(A) is true but (R ) is FALSE
Both (A) and (R ) are false

Answer :A


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