Properties of Solids & Liquids-Hooke's Law (NEET Physics): Questions 1 - 3 of 3

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Question number: 1

» Properties of Solids & Liquids » Hooke's Law

MCQ▾

Question

The shape of stress vs strain graph within elastic limit is:

Choices

Choice (4) Response

a.

Straight line

b.

ellipse

c.

Parabolic

d.

curve line

Question number: 2

» Properties of Solids & Liquids » Hooke's Law

MCQ▾

Question

A wire of length lm and area of cross section 4 × 10 -8 m 2 increases in length by 0.2 cm when a force of 16 N is applied. Value of Y for the material of the wire will be

Choices

Choice (4) Response

a.

2 × l0 11 N/mm 2

b.

2 × 10 11 kg/m 2

c.

2 × l0 6 N/m 2

d.

2 × 10 11 N/m 2

Question number: 3

» Properties of Solids & Liquids » Hooke's Law

MCQ▾

Question

A wire of length l m and area of cross section 4 × 10 -8 m 2 increases in length by 0.4 cm when a force of 14 N is applied. Value of Y for the material of the wire will be

Choices

Choice (4) Response

a.

7.23 × 10 11 kg/m 2

b.

2.56 × 10 11 N/m 2

c.

2.46 × l0 11 N/mm 2

d.

8.75 × l0 6 N/m 2

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