JEE Main 2022 · 28 Jul · Shift 2 · Physics Q24

← JEE Main 2022 · 28 Jul · Shift 2

PhysicsInteger+4 / -1Question 24 of 90

At a certain temperature, the degrees of freedom per molecule for gas is 8. The gas performs 150 J of work when it expands under constant pressure. The amount of heat absorbed by the gas will be ______ J.

Your answer

Answer and worked solution

Official answer: 750

$f=8$ , so $C_P=5R$ . Work $nR\Delta T=150$ J gives $Q=5\times150=750$ J.

Answer: 750

Topics:Degrees of freedom and equipartition First law and internal energy

← Previous question Next question →

JEE Main 2022 · 28 Jul · Shift 2, Physics question 24