# NEET Physics: Questions 1557 - 1561 of 2142

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## Question number: 1557

MCQ▾

### Question

Nuclear radius of 8 O 16 is 3 × 10 -15 m. Find the density of nuclear matter.

### Choices

Choice (4) Response

a.

1.66 × 10 17 kgm 3

b.

5.7 × 10 17 kgm 3

c.

7.5 × 10 17 kgm -3

d.

2.3 × 10 17 kgm -3

## Question number: 1558

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: 1559

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: 1560

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: 1561

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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