NTA Abhyas JEE Main2020PhysicsThermodynamicsPractice
A Carnot engine has efficiency 1 5 . Efficiency becomes 1 3 when the temperature of sink is decreased by 50 K . What is the temperature of the sink (in K )?
Correct answer
300
Step-by-step solution
The efficiency of Carnot engine                                               η = W o r k   o u t p u t H e a t   i n p u t = W Q H or                               η = Q H - Q L Q H = 1 - Q L Q H Also we can show that