Properties of Solids & Liquids-Young's Modulus (NEET Physics): Questions 1 - 5 of 13

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Question number: 1

» Properties of Solids & Liquids » Young's Modulus

MCQ▾

Question

If x, y, p and q represent the increase in length, the original length of the experimental wire, load applied to the wire and area of cross-section of the wire respectively then Young’s modulus of the wire is given by

Choices

Choice (4) Response
a.

pyxq

b.

xypq

c.

xpyq

d.

pqxy

Question number: 2

» Properties of Solids & Liquids » Young's Modulus

MCQ▾

Question

A rod of length l and area of cross-section A is heated from 0°C to 100°C. The rod is so placed that it is not allowed to increase in length, then the force developed is proportional to

Choices

Choice (4) Response
a.

I -1

b.

A -1

c.

A

d.

I

Question number: 3

» Properties of Solids & Liquids » Young's Modulus

MCQ▾

Question

The Young’s modulus of steel is 2 × 10 11 N/m 2 and its coefficient of linear expansion is 1.1 × 10 -5 per degree. The pressure to be applied to the ends of a steel cylinder to keep its length constant on raising its temperature by 80°C, will be -

Choices

Choice (4) Response
a.

2.2 × 10 8 N/m 2

b.

5.5 × 10 4 N/m 2

c.

1.8 × 10 6 N/m 2

d.

1.76 × 10 8 N /m 2

Question number: 4

» Properties of Solids & Liquids » Young's Modulus

MCQ▾

Question

For a given material, the Young’s modulus is 2.8 times that of rigidity modulus. It’s Poisson’s ratio is

Choices

Choice (4) Response
a.

2

b.

0.4

c.

1.02

d.

0.2

Question number: 5

» Properties of Solids & Liquids » Young's Modulus

MCQ▾

Question

Which statements are false for a metal?

(a) Y<η

(b) Y=η

(c) Y<1η

(d) Y>η

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

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