Kinetic Theory of Gases (AIIMS Physics): Questions 5 - 8 of 9

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Question number: 5

» Kinetic Theory of Gases » Heat Capacities and Its Relations

MCQ▾

Question

If a gas has 9 degree of freedom, the ratio CpCv of the gas is –

Choices

Choice (4) Response

a.

5

b.

119

c.

192

d.

72

Question number: 6

» Kinetic Theory of Gases » Kinetic Theory of Gases

MCQ▾

Question

A container filled with 1 mole of O2 gas at a temperature 300 K. The pressure of the gas is P1 . A same sized container filled with 1 mole of He gas at a temperature 600K . If the pressure of He -gas is P2 , then –

(Molar mass of O2 gas is 32 and molar mass of He is 4)

Choices

Choice (4) Response

a.

P2=2P1

b.

P2=P1

c.

P2=8P1

d.

P2=P18

Question number: 7

» Kinetic Theory of Gases » Kinetic Energy and Temperature

MCQ▾

Question

At temperature T (in kelvin), the root mean square speed of a gas molecule is 14th times its value at 0 . Find the value of T.

Choices

Choice (4) Response

a.

15K

b.

17K

c.

20K

d.

23K

Question number: 8

» Kinetic Theory of Gases » Kinetic Theory of Gases

MCQ▾

Question

For an ideal gas at 330 K temperature, the average translation energy of molecules is 7.02×1021J , and the rms speed if molecules is 520ms . Find the corresponding value at temperature 650K ,

Choices

Choice (4) Response

a.

14.4×1021Jand700ms

b.

13.8×1021Jand730ms

c.

21.6×1021Jand680ms

d.

15.0×1021Jand680ms

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