1

JEE Main 2021 (Online) 25th July Evening Shift

Numerical

+4

-1

A system consists of two types of gas molecules A and B having same number density 2 $$\times$$ 10

^{25}/m^{3}. The diameter of A and B are 10 $$\mathop A\limits^o $$ and 5 $$\mathop A\limits^o $$ respectively. They suffer collision at room temperature. The ratio of average distance covered by the molecule A to that of B between two successive collision is ____________ $$\times$$ 10^{$$-$$2}Your input ____

2

JEE Main 2021 (Online) 22th July Evening Shift

Numerical

+4

-1

In 5 minutes, a body cools from 75$$^\circ$$C to 65$$^\circ$$C at room temperature of 25$$^\circ$$C. The temperature of body at the end of next 5 minutes is _________$$^\circ$$ C.

Your input ____

3

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 ____

4

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 ____

Questions Asked from Heat and Thermodynamics (Numerical)

Number in Brackets after Paper Indicates
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