Alpha Question Bank for Medical: Physics>Chapter 18 - Kinetic Theory of Gases>Exercise-1>Q 23

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In equilibrium, the velocity of molecules of a gas depends an its temperature as

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Important Questions on Kinetic Theory of Gases

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Alpha Question Bank for Medical: Physics>Chapter 18 - Kinetic Theory of Gases>Exercise-1>Q 24

A mixture of

2

moles of helium gas (atomic mass

= 4 amu

) and

1

mole of argon gas (atomic mass

= 40 amu

) is kept at

300 K

in a container. The ratio of the rms speed

(\frac{v_{rms} (helium)}{v_{rms} (argon)})

is

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Alpha Question Bank for Medical: Physics>Chapter 18 - Kinetic Theory of Gases>Exercise-1>Q 25

Ratio of average kinetic energy of

H_{2}

and

O_{2}

at a given temperature is:

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Alpha Question Bank for Medical: Physics>Chapter 18 - Kinetic Theory of Gases>Exercise-1>Q 26

If the temperature of the gas is increased to three times, it's root mean square velocity becomes

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Alpha Question Bank for Medical: Physics>Chapter 18 - Kinetic Theory of Gases>Exercise-1>Q 27

Which of the following statement is incorrect according to assumptions of kinetic theory of gases?

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Alpha Question Bank for Medical: Physics>Chapter 18 - Kinetic Theory of Gases>Exercise-1>Q 28

At what temperature is the r.m.s velocity of a hydrogen molecule equal to that of an oxygen molecule at $47 °$ C.

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Alpha Question Bank for Medical: Physics>Chapter 18 - Kinetic Theory of Gases>Exercise-1>Q 29

The kinetic energy of one mole gas at

300 K

temperature is

E

. At

400 K

temperature, the kinetic energy is

E'

. The value

\frac{E'}{E}

is,

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Alpha Question Bank for Medical: Physics>Chapter 18 - Kinetic Theory of Gases>Exercise-1>Q 30

If temperature becomes triple, the root mean square velocity of gas molecules will be: [ $u$ is the root mean square velocity of gas molecules at temperature $T$ ]

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Alpha Question Bank for Medical: Physics>Chapter 18 - Kinetic Theory of Gases>Exercise-1>Q 31

On increasing the temperature of gas contained in closed vessel by

1 ° C,

the pressure increases by

0.4 % .

The initial temperature of gas is: