# Properties of Solids & Liquids-Elastic Behavior (NEET Physics): Questions 1 - 5 of 28

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## Question number: 1

» Properties of Solids & Liquids » Elastic Behavior

MCQ▾

### Question

Mark the correct statements

(1) Sliding of molecular layer is much easier than compression or expansion

(2) Reciprocal of bulk modulus of elasticity is called compressibility

(3) Hollow shaft is much stronger than a solid rod of same length and same mass

(4) It is difficult to twist a long rod as compared to small rod

Select the correct answers and mark it according to the following codes:

### Choices

Choice (4) Response

a.

1, 2 and 3 are correct

b.

1 and 2 are correct

c.

2 and 4 are correct

d.

1 and 3 are correct

## Question number: 2

» Properties of Solids & Liquids » Elastic Behavior

MCQ▾

### Question

A 4.0 m long copper wire of cross sectional area 1.5 cm 2 is stretched by a force of 4.8 × 10 3 N stress will be -

### Choices

Choice (4) Response

a.

4.4 × l0 7 N/m 2

b.

5.0 × l0 7 KN/m 2

c.

3.2 × l0 7 N/m 2

d.

All of the above

## Question number: 3

» Properties of Solids & Liquids » Elastic Behavior

MCQ▾

### Question

The lengths and radii of two wires of same material are respectively L, 3L, and 3R, R. Equal weights are applied on then. If the elongations produced in them are l 1 and l 2 respectively then their ratio will be

### Choices

Choice (4) Response

a.

1: 18

b.

8: 1

c.

2: 1

d.

1: 8

## Question number: 4

» Properties of Solids & Liquids » Elastic Behavior

MCQ▾

### Question

Length of a wire is doubled, when 15 × 10 8 N/m 2 stress is applied on it. Its Young’s modulus of elasticity in N/m 2 will be

### Choices

Choice (4) Response

a.

10 × 10 8

b.

20 × 10 8

c.

15 × 10 8

d.

25 × 10 10

## Question number: 5

» Properties of Solids & Liquids » Elastic Behavior

MCQ▾

### Question

The ratio of radii of two wires of same material is 2: 1. If these wires are stretched by equal forces, then the ratio of stresses produced in them will be

### Choices

Choice (4) Response

a.

4: 1

b.

1: 2

c.

2: 1

d.

1: 4

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