A Carnot engine whose efficiency is 40% receives heat at 500K. If the efficiency isto be 50%. The source temperature for the same exhaust temerature is

A Carnot engine whose efficiency is 40% receives heat at 500K. If the

1.	A Carnot engine whose efficiency is 40% receives heat at 500K. If the efficiency isto be 50%. The source temperature for the same exhaust temerature is
Answer» 600K 700K 800K 900K Answer :A