Class 9 Physics e-Book's MCQs - Complete
Hookes law Quiz App & e-Book PDF Download - 65
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MCQ 65:
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
- 2 * 1011 N m-2
- 3 N m-4
- 4 N m-2
- 5 N m-2
a
Class 9 Physics App & e-Book Tests PDF Download
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