1.

In a carnot heat engine 8000J of heat is absorbed from a source at 400 K and 6500 J of heat is rejected to the sink. The temperature of the sink is ………. .

Answer»

325 K
100 K
200 K
273 K

Solution :`"We have,"(T_(2))/(T_(1))=(Q_(2))/(Q_(1))RARR T_(2)=(Q_(2))/(Q_(1))T_(1)=(6500)/(8000)xx400 rArr T_(2)=325K`


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