Solve qus no. 18
Q.18. A carnot engine operates between a sink at temperature 300 K and a source at temperature 11 Kelvin. It takes 200 J of heat from the source and delivers 120 J to sink in a cycle. The temperature of the source is
(a) 400 K
(b) 500 K
(c) 600 K
(d) None
 

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