NEET Physics Thermodynamics Questions Solved


Efficiency of a Carnot engine is 50% when temperature of outlet is 500 K. In order to increase efficiency up to 60% keeping temperature of intake the same what is temperature of outlet ?

(1) 200 K

(2) 400 K

(3) 600 K

(4) 800 K

(2) η=1T2T112=1500T1500T1=12 …..(i)

60100=1T2'T1T2'T1=25 …..(ii)

Dividing equation (i) by (ii), 500T2'=54T2=400K

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