Properties of Solids & Liquids-Stress-Strain Relationship (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Physics): Questions 1 - 1 of 1

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Question number: 1

» Properties of Solids & Liquids » Stress-Strain Relationship

MCQ▾

Question

A metal wire of cross-sectional area 9×106m2 is held taut at 500 C between two rigid supports with negligible tension in it. The tension developed in the wire if it cooled to -100 C is –

(Given α of metal =2×105K1 and Y=1×1011Nm2. )

Choices

Choice (4) Response

a.

1440 N

b.

1200 N

c.

1080N

d.

563 N

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