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A force of 10^3 newton, stretches the le...

A force of `10^3` newton, stretches the length of a hanging wire by 1 millimetre. The force required to stretch a wire of same material and length but having four times the diameter by 1 millimetre is

A

`4xx10^(3)` Newton

B

`16xx10^(3)` newton

C

`1/4xx10^(3)` Newton

D

`1/16xx10^(3)` newton

Text Solution

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The correct Answer is:
B
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MOTION-ELASTICITY-EXERCISE -3
  1. When a weight of 10 kg is suspended from a copper wire of length 3 met...

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  2. When a force is applied on a wire of uniform cross-sectional area 3xx1...

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  3. A force of 10^3 newton, stretches the length of a hanging wire by 1 mi...

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  4. A wire of cross-sectional area 3 mm^(2) is first stretched between two...

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  5. For steel the breaking stressis 6xx10^(6)N//m^(2) and the density is 8...

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  6. The units of modulus of rigidity are

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  7. A 2m long rod of radius 1 cm which is fixed from one end is given a tw...

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  8. A ball falling in a lake of depth 200 m shows 0.1% decrease in its vol...

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  9. An iron wire of length 4 m and diameter 2 mm is loaded with a weight o...

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  10. The dimensional formula for young's modulus is

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  11. A fixed volume of iron is drawn into a wire of length l. The extension...

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  12. A mass of 0.5 kg is suspended from wiere, then length of wire increase...

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  13. If the strain in a wire is not more than 1//1000 and Y =2xx10^(11)N//m...

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  14. A wire of length L and radius r is fixed at one end. When a stretching...

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  15. How much force is required to produce an increase of 0.2 % in the leng...

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  16. If the interatomic spacing in a steel wire is 2.8xx10^(-10)m. And Y("s...

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  17. The load versus elongation graph for four wires of the same material a...

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  18. The mean distance between the atoms of iron is 3xx10^(-10) m and inter...

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  19. The area of cross section of a steel wire (Y=2.0 xx 10^(11) N//m^(2)) ...

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  20. For a given material the Young's modulus is 2.4 times that of its ri...

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