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Physics practice test 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 with choices 2 * 1011 n m-2, 3 n m-4, 4 n m-2 and 5 n m-2 for online cognitive learning with eLearning distance education portal with interactive learning styles. Free physics revision notes to learn hookes law quiz with 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