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On increasing the length by 0.5 mm in a ...

On increasing the length by 0.5 mm in a steel wire of length 2 m and area of cross section 2`mm^2`, the force required is [Y for steel `=2.2xx10^11(N)/(m^2)`]

A

`1.1xx10^(3)N`

B

`1.1xx10^(4)N`

C

`1.1xx10^(3)N`

D

`1.1xx10^(2)N`

Text Solution

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The correct Answer is:
D
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MOTION-ELASTICITY-EXERCISE -3
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  2. Two wires of same diameter of the same material having the length l an...

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  3. On increasing the length by 0.5 mm in a steel wire of length 2 m and a...

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  4. In CGS system, the Young's modulus of a steel wire is 2 xx 10^(12). To...

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  5. The material which practically does not exhibit elastic after effect i...

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  6. A force F is needed to break a copper wire having radius R. The force ...

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  8. A brass rod of cross-sectional area 1cm^(2) and length 0.2 cm is compr...

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  9. A wire of length L and radius a rigidlyl fixed at one end. On stretchi...

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  10. In steel, the Young's modulus and the strain at the breaking point are...

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  11. Which of the following statements is correct:

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  12. Which one of the following substances possesses the highest elasticity...

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  13. Two wires of the same material have lengths in the ratio 1:2 and their...

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  14. When a weight of 10 kg is suspended from a copper wire of length 3 met...

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

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

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

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

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  19. The units of modulus of rigidity are

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

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