defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Physics Thermodynamics Carnot engine
The efficiency of a Carnot engine is equal to? (Q1 is the heat absorbed by the gas from the reservoir at temperature T1 and Q2 is the Heat released by the gas to the reservoir at temperature T2.)
1
1 - T1/T2
2
T2/T1 - 1
3
1 - T2/T1
4
T1/T2 - 1