The average kinetic energy of a gas is:

Important Questions on Kinetic Theory of Gases

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IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 15

At absolute temperature $T$, the average kinetic energy of the molecule of a gas is directly proportional to:

MEDIUM

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IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 16

The average translational kinetic energy of the molecules of a gas will be doubled if :

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IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 17

Helium gas is filled in a closed vessel whose coefficient of thermal expansion is negligible. When it is heated from $300 K$ to $600 K$, then the average kinetic energy of helium atoms:

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IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 18

The average translational kinetic energy of $O_2$ (molar mass $32$) molecules at a particular temperature is $0.048 eV$. The translational kinetic energy of $N_2$ (molar mass $28$) molecules in $eV$ at the same temperature is:

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IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 19

The average translational energy and the R.M.S. speed of molecules in a sample of oxygen gas at $300 \mathrm{K}$ are  $6.21\times {10}^{-21} \mathrm{J}$ and $484 {\mathrm{ms}}^{-1}$ respectively. The corresponding values at $600 \mathrm{K}$ are nearly:

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IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 20

In two vessels of the same volume, in one helium is filled at a pressure of $2$ atmosphere and in the other hydrogen at a pressure of $1$ atmosphere. If temperatures be the same, then the ratio of root- mean- square velocities of the molecules of these gases will be :

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IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 21

The temperature at which the root-mean-square velocity of hydrogen molecules will be double of its value at NTP pressure remaining constant, is:

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IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 22

The root-mean-square speed of helium gas atoms is $\frac{5}{7}$ of the root-mean-square speed of hydrogen gas molecules. If the temperature of hydrogen gas be $0°C$, then the temperature of helium will be approximately: