# Kinetic Theory of Gases (NEET Physics): Questions 29 - 33 of 40

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## Question number: 29

» Kinetic Theory of Gases » Kinetic Energy and Temperature

MCQ▾

### Question

To double the volume of a given mass of an ideal gas at 27ºC keeping the pressure constant, one must raise the temperature in degree centigrade to

### Choices

Choice (4) Response

a.

627

b.

327

c.

54

d.

600

## Question number: 30

» Kinetic Theory of Gases » Kinetic Energy and Temperature

MCQ▾

### Question

The pressure P, volume V and temperature T of a gas in the jar A and the other gas in the jar B at pressure 2 P, volume and temperature 2T, then the ratio of the number of molecules in the jar A and B will be

### Choices

Choice (4) Response

a.

4: 1

b.

1: 2

c.

1: 1

d.

2: 1

## Question number: 31

» Kinetic Theory of Gases » Equation of State of a Perfect Gas

MCQ▾

### Question

The relation between the gas pressure P and average kinetic energy per unit volume E is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 32

» Kinetic Theory of Gases » Kinetic Energy and Temperature

MCQ▾

### Question

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 raise 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.

30 Cal

b.

50 Cal

c.

70 Cal

d.

90 Cal

## Question number: 33

» Kinetic Theory of Gases » Kinetic Energy and Temperature

MCQ▾

### Question

A vessel contains a mixture of one mole of oxygen and two moles of nitrogen at 300 K. The ratio of the average rotational kinetic energy per N 1 molecule to that per N 2 molecule is

### Choices

Choice (4) Response

a.

1: 2

b.

Depends on the moments of inertia of the two molecules

c.

2: 1

d.

1: 1

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