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Learn physics MCQs: if a 1 m long steel wire having area 5 * 10-5 is stretched through 1 mm by force of 10, 000 n then young modulus of wire is, with choices 2 * 1011 n m-2, 3 n m-4, 4 n m-2, and 5 n m-2 for online secondary education degree. Free physics student portal for online learning hookes law quiz questions, MCQs to find questions answers based online learning tests.

MCQ: If a 1 m long steel wire having area 5 * 10-5 is stretched through 1 mm by force of 10, 000 N then young modulus of wire is

1. 2 * 1011 N m-2
2. 3 N m-4
3. 4 N m-2
4. 5 N m-2

A

MCQ: SI unit of power is Young's modulus is

1. Nm-3
2. Nm4
3. Nm-2
4. Nm-1

C

MCQ: Maximum limit up to which stress is applied on body without deformation is called

1. limit
2. elastic limit
3. strain
4. none of above

B

MCQ: If length of wire is 1 m and cross-sectional area 5×10-5 m², when wire streched through 1 mm by a force of 10,000 N. Young's modulus of wire would be

1. 2×105 Nm-2
2. 2×109 Nm-2
3. 2×108 Nm-2
4. 2×1011 Nm-2

D

MCQ: Ratio of stress to strain is

1. 1
2. 0
3. 3
4. constant

D