16. The efficiency of Carnot’s engine operating between reservoirs, maintained at temperatures 27°C and -123°C is
(a) 50% (b) 24%
(c) 0.75% (d) 0.4%
Answer-a
(3)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)