NEET Physics Thermodynamics Questions Solved


An ideal heat engine working between temperature T1 and T2 has an efficiency η, the new efficiency if both the source and sink temperature are doubled, will be 

(1) η2

(2) η

(3) 2η

(4) 3η

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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