Kinetic Theory of Gases (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 21 - 24 of 40

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Question number: 21

» Kinetic Theory of Gases » Kinetic Energy and Temperature

MCQ▾

Question

Which of the following statements is true?

Choices

Choice (4) Response

a.

The root mean square speed of the molecules of different ideal gases, maintained at the same temperature are the same

b.

Given sample of 1 cc of hydrogen and 1 cc of oxygen both at NTP; oxygen sample has a large number of molecules

c.

Two different gases at the same temperature and pressure have equal root mean square velocities.

d.

Absolute zero temperature is not zero energy temperature

Question number: 22

» Kinetic Theory of Gases » Kinetic Energy and Temperature

MCQ▾

Question

In the two vessels of same volume, atomic hydrogen and helium at pressure 1 atm and 2 atm are filled. If temperature of both the samples is same, then average speed of hydrogen atoms < C H > will be related to that of helium < C He > as,

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 23

» Kinetic Theory of Gases » Kinetic Energy and Temperature

MCQ▾

Question

For a gas at a temperature T the root-mean-square velocity V r. m. s, the most probable speed V mp, and the average speed V av obey the relationship

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 24

» Kinetic Theory of Gases » Work Done on Compressing a Gas

MCQ▾

Question

1 7 calories of heat are required to raise the temperature 2 moles of an ideal gas at constant pressure from 30°C to 35°C The amount of heat required to rise the temperature of same gas through the same range (30° C to 35° C) at constant volume (R = 2 Cal/mole K)

Choices

Choice (4) Response

a.

70 Cal

b.

450 Cal

c.

50 Cal

d.

30 Cal

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