# 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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