NEET-UG SERIES

Physics

Kinetic Theory

8 previous year questions.

Volume: 8 Ques

Yield: Medium

High-Yield Trend

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2023

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2020

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2018

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2017

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2015

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2014

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2005

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2000

Chapter Questions
8 MCQs

01

PYQ 2000

medium

physics ID: neet-ug-

To find out degree of freedom, the correct expression is:

1

2

3

4

02

PYQ 2005

medium

physics ID: neet-ug-

An electron moves in a circular orbit with a uniform speed v. It produces a magnetic field B at the centre of the circle. The radius of the circle is proportional to:

1

2

3

4

03

PYQ 2014

medium

physics ID: neet-ug-

The mean free path of molecules of a gas, (radius 'r') is inversely proportional to:

1

r 2

2

r

3

\sqrtr

4

r 3

04

PYQ 2015

medium

physics ID: neet-ug-

Two vessels separately contain two ideal gases and at the same temperature, the pressure of being twice that of . Under such conditions, the density of is found to be the density of . The ratio of molecular weight of and is :

1

2

3

4

2

05

PYQ 2017

medium

physics ID: neet-ug-

A gas mixture consists of moles of oxygen and moles of Argon at temperature T. Neglecting all vibrational modes, the total internal energy of the system is

1

2

3

4

06

PYQ 2018

medium

physics ID: neet-ug-

At what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the Earth�s atmosphere ? (Given: Mass of oxygen molecule Boltzmann�s constant)

1

2

3

4

07

PYQ 2020

medium

physics ID: neet-ug-

The mean free path for a gas, with molecular diameter and number density can be expressed as :

1

2

3

4

08

PYQ 2023

hard

physics ID: neet-ug-

The temperature of a gas is -50° C. To what temperature the gas should be heated so that the rms speed is increased by 3 times?

1

223 K

2

669°C

3

3295°C

4

3097 K