1

JEE Main 2021 (Online) 20th July Evening Shift

Numerical

+4

-1

One mole of an ideal gas at 27$$^\circ$$ is taken from A to B as shown in the given PV indicator diagram. The work done by the system will be _________ $$\times$$ 10

^{$$-$$1}J. [Given : R = 8.3 J/mole K, ln2 = 0.6931] (Round off to the nearest integer)Your input ____

2

JEE Main 2021 (Online) 20th July Morning Shift

Numerical

+4

-1

In the reported figure, heat energy absorbed by a system in going through a cyclic process is ___________ $$\pi$$J.

Your input ____

3

JEE Main 2021 (Online) 16th March Evening Shift

Numerical

+4

-1

Out of Syllabus

For an ideal heat engine, the temperature of the source is 127$$^\circ$$C. In order to have 60% efficiency the temperature of the sink should be ___________$$^\circ$$C. (Round off to the Nearest Integer)

Your input ____

4

JEE Main 2021 (Online) 26th February Evening Shift

Numerical

+4

-1

1 mole of rigid diatomic gas performs a work of $${Q \over 5}$$ when heat Q is supplied to it. The molar heat capacity of the gas during this transformation is $${xR \over 8}$$. The value of x is _________. [R = universal gas constant]

Your input ____

Questions Asked from Heat and Thermodynamics (Numerical)

Number in Brackets after Paper Indicates No. of Questions

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