Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 22

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A mixture of ideal gas has $2$ moles of $He$ , $4$ moles of $O_{2}$ and $1$ mole of $O_{3}$ at absolute temperature $T .$ The internal energy of the mixture is

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Important Questions on Kinetic Theory

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 23

E_{O}

and

E_{H}

respectively represents the average kinetic energy of a molecule of oxygen and hydrogen. If the two gases are at the same temperature, which of the following statement is true?

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 24

14 g

of

CO

at

27 ° C

is mixed with

16 g

of

O_{2}

at

47 ° C .

The temperature of mixture is (vibration mode neglected)

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 25

When one mole of monatomic gas is mixed with one mole of a diatomic gas, then the equivalent value of

γ

for the mixture will be (vibration mode neglected)

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 26

A box of negligible mass containing

2

moles of an ideal gas of molar mass

M

and adiabatic exponent

γ

moves with constant speed

v

on a smooth horizontal surface. If the box suddenly stops, then change in temperature of gas will be

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 27

On increasing number density for a gas in a vessel, mean free path of a gas

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 1

One mole of ideal gas follows a law according to that its pressure varies with volume as

P = \frac{a}{1 + \frac{V}{b}}

(where

a

and

b

are positive constant). The temperature of gas at volume

V = a

is

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 4

By what percentage should the pressure of a given mass of a gas be increased so as to decrease its volume by

10 %

at a constant temperature?

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 5

The average kinetic energy of a gas molecule at

27 ° C

is

6.2 \times 10^{- 21} J .

Its average kinetic energy at

227 ° C

will be