Chapter 12: Kinetic Theory MCQs | physics Class 11 CBSE

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Chapter 12: Kinetic Theory MCQs | physics Class 11 CBSE | ByteNotes.in

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Question 1

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The average kinetic energy of a molecule of an ideal gas at absolute temperature T is

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Question 2

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The root mean square speed of gas molecules is proportional to

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Question 3

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The value of the universal gas constant R in SI units is

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Question 4

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According to the kinetic theory of gases, pressure is exerted by gas molecules due to their

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Question 5

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At the same temperature and pressure, which of the following gases has the highest rms speed?

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Question 6

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The molar specific heat at constant volume for a rigid diatomic gas is

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Question 7

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The ratio of specific heats γ = Cp/Cv for a monatomic ideal gas is

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Question 8

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For a gas in thermal equilibrium, which of the following is NOT correct according to kinetic theory?

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Question 9

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The mean free path of a gas molecule is inversely proportional to

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Question 10

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Avogadro's number is the number of molecules present in

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Question 11

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The Boltzmann constant kB is related to the universal gas constant R and Avogadro's number NA by

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Question 12

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If the temperature of an ideal gas is doubled at constant volume, the pressure of the gas

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Question 13

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According to the law of equipartition of energy, each vibrational mode of a molecule contributes to its average energy an amount equal to

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Question 14

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The translational kinetic energy of N molecules of an ideal gas at temperature T is

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Question 15

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A gas is enclosed in a rigid container. If the temperature is increased, which quantity remains constant?

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Question 16

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The number of rotational degrees of freedom of a diatomic molecule (rigid rotator) is

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Question 17

Objective

At STP, the number of molecules in 22.4 litres of any ideal gas is approximately

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Question 18

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The molar specific heat Cv of a polyatomic gas with 3 translational, 3 rotational, and 2 vibrational modes is

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Question 19

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Which of the following relations is correct for any ideal gas (mono, di, or polyatomic)?

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Question 20

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The mean free path of molecules in a gas increases when

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Chapter 12: Kinetic Theory | MCQs

The average kinetic energy of a molecule of an ideal gas at absolute temperature T is

The root mean square speed of gas molecules is proportional to

The value of the universal gas constant R in SI units is

According to the kinetic theory of gases, pressure is exerted by gas molecules due to their

At the same temperature and pressure, which of the following gases has the highest rms speed?

The molar specific heat at constant volume for a rigid diatomic gas is

The ratio of specific heats γ = Cp/Cv for a monatomic ideal gas is

For a gas in thermal equilibrium, which of the following is NOT correct according to kinetic theory?

The mean free path of a gas molecule is inversely proportional to

Avogadro's number is the number of molecules present in

The Boltzmann constant kB is related to the universal gas constant R and Avogadro's number NA by

If the temperature of an ideal gas is doubled at constant volume, the pressure of the gas

According to the law of equipartition of energy, each vibrational mode of a molecule contributes to its average energy an amount equal to

The translational kinetic energy of N molecules of an ideal gas at temperature T is

A gas is enclosed in a rigid container. If the temperature is increased, which quantity remains constant?

The number of rotational degrees of freedom of a diatomic molecule (rigid rotator) is

At STP, the number of molecules in 22.4 litres of any ideal gas is approximately

The molar specific heat Cv of a polyatomic gas with 3 translational, 3 rotational, and 2 vibrational modes is

Which of the following relations is correct for any ideal gas (mono, di, or polyatomic)?

The mean free path of molecules in a gas increases when

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