Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 15

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If different ideal gases are at the same temperature, pressure and have the same volume, then all gases have the same,

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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 16

According to

C . E .

van der Waal, the interatomic potential varies with the average interatomic distance

(R)

as

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 17

Three perfect gases at absolute temperatures

T_{1}, T_{2}

and

T_{3}

are mixed. If number of molecules of the gases are

n_{1}, n_{2}

and

n_{3}

respectively then temperature of mixture will be (assume no loss of energy)

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 18

The temperature of a gas is

- 68 ° C .

At what temperature will the average kinetic energy of its molecules be twice that of

- 68 ° C

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 19

One kg of a diatomic gas is at a pressure of

8 \times 10^{4} N m^{- 2}

. The density of the gas is

4 kg m^{- 3}

. What is the energy of the gas due to its thermal motion?

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Gamma Question Bank for Medical Physics>Chapter 13 - Kinetic Theory>Assignment>Q 20

50 cal

of heat is required to raise the temperature of

1 mole

of an ideal gas from

20 ° C

to

25 ° C,

while the pressure of the gas is kept constant. The amount of heat required to raise the temperature of the same gas through same temperature range at constant volume is

(R = 2 cal mol K^{- 1})

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

If hydrogen gas is heated to a very high temperature, then the fraction of energy possessed by gas molecules correspond to rotational motion

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

If

α

moles of a monoatomic gas are mixed with

β

moles of a polyatomic gas and mixture behaves like diatomic gas, then [neglect the vibrational mode of freedom]

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

The internal energy of

10 g

of nitrogen at

N . T . P .

is about,

(R = 8.31 J K^{- 1})

.