Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 12

MEDIUM

JEE Main

IMPORTANT

Earn 100

The diameter of a gas molecule is 2.4 $\times 10^{- 10}$ m. The mean free path of gas molecule at NTP is ( $k = 1.38 \times 10^{- 23} J K^{- 1})$

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Important Questions on Kinetic Theory of Gases

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JEE Main

IMPORTANT

Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 13

Cooking gas containers are kept in lorry moving with uniform speed. The temperature of the gas molecules inside will

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IMPORTANT

Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 14

The energy of a given sample of an ideal gas depends only on its

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IMPORTANT

Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 15

Which of the following will have maximum total kinetic energy at temperature

300 K ?

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IMPORTANT

Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 16

A jar has a mixture of hydrogen and oxygen gas in the ratio of $1 : 5$ . The ratio of mean kinetic energies of hydrogen and oxygen molecules is

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IMPORTANT

Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 17

The average kinetic energy of molecules are

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IMPORTANT

Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 18

In the nuclear fusion reaction

{}_{1}^{2}H + {}_{1}^{3}H \overset{}{\to} {}_{2}^{4}{He} + n

. It is given that the repulsive potential energy between the two nuclei is

~ 7.7 \times 10^{- 14} J

, the temperature at which the gases must be heated to initiate the reaction is nearly

[

Boltzmann's constant

k = 1.38 \times 10^{- 23} J K^{- 1}]

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IMPORTANT

Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 19

Pressure of a gas increases due to increase of its temperature because at higher temperature

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IMPORTANT

Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 20

5 n

,

n

and

5 n

moles of monatomic, diatomic and non-linear polyatomic gases (which do not react chemically with each other), respectively, are mixed at room temperature. The equivalent degree of freedom of the mixture is