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Physics-Stress & Strain

NEET Physics Stress & Strain MCQ Question

Type: MCQ-numerical-Medium-Class 11

A steel wire with a cross-sectional area of 0.1 cm² is subjected to a force of 2000 N resulting in a strain of 0.1%. If a copper wire with the same cross-sectional area is subjected to the same strain, what force is required?

A

1100 N

B

2000 N

C

900 N

D

690 N

Correct Answer

Option A

Detailed Explanation

The NCERT context specifies that a force of 1100 N is needed to produce the same 0.1% strain in a copper wire with the same cross-sectional area as a steel wire.

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