Reversible heat engine highest |KTGTHERMODYNAMICSJEEMAIN2023

JEE MAIN 2023

30-01-2023 S2

Question

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Efficiency of a reversible heat engine will be highest at –273°C temperature of cold reservoir.
Reason R : The efficiency of Carnot's engine depends not only on temperature of cold reservoir but it depends on the temperature of hot reservoir too and is given as .
In the light of the above statements, choose the correct answer from the options given below :

Select the correct option:

A is true but R is false

Both A and R are true but R is NOT the correct explanation of A

A is false but R is true

Both A and R are true and R is the correct explanation of A

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Both A and R are true and R is the correct explanation of A

Question Tags

JEE Main

Physics