The document NEET Previous Year Questions (2014-20): Kinetic Theory JEE Notes | EduRev is a part of the JEE Course Physics 28 Years Past year papers for NEET/AIPMT Class 11.

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**Q.1. A cylinder contains hydrogen gas at pressure of 249 kPa and temperature 27°C.****Its density is : (R = 8.3 J mol ^{-1} K^{-1}) [2020]**

A: 0.1 kg/m^{3}

∴ PV = nRT

A:

B:

C:

D:

Ans:

The mean free path for gas is given by

A: Increase in its mass

B: Increase in its kinetic energy

C: Decrease in its pressure

D: Decrease in intermolecular distance

Ans:

B: 8.360 × 10

C: 5.016 × 10

D: 1.254 × 10

Ans:

A:

B:

C:

D:

Ans:

A: 15 RT

B: 9 RT

C: 11 RT

D: 4 RT

Ans:

A: 100 / 3

B: 100 √2

C: 400 / √3

D: 100√2 / 3

Ans:

It is given that,

v

T

P

rms velocity of gas molecules,

For two different cases,

It is given that,

v

T

P

rms velocity of gas molecules,

For two different cases,

A:

B:

C:

D:

Ans:

This fits into the pattern , where n is the number of the degrees of freedom**Q.9. The mean free path of molecules of a gas,(radius ‘r’) is inversely proportional to: [2014] A: rB: √rC: r**

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