The temperature-entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is

(1) 1/3

(2) 2/3

(3) 1/2

(4) 1/4

Concept Videos :-

#48 | Introduction to Heat Engine
#49 | Solved Example: 23
#50 | Refrigerator
#52 | Carnot Engine
#53 | Carnot Cycle
#54 | Solved Example: 24
#55 | Solved Example: 25

Concept Questions :-

Heat engine and refrigerator
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