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How much force is required to produce an...

How much force is required to produce an increase of 0.2 % in the length of a brass wire of diameter 0.6 mm
(Young's modulus for brass `=0.9 xx 10^(11) N//m^(2)`)

A

Nearly 17 N

B

Nearly 34 N

C

Nearly 51 N

D

Nearly 68 N

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-ELASTICITY-EXERCISE -3
  1. If the strain in a wire is not more than 1//1000 and Y =2xx10^(11)N//m...

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

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

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

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

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

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

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

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  9. The diameter of a brass rod is 4 mm and Young's modulus of brass is 9 ...

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  10. The poisson's ratio cannot have the value

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  11. There is no change in the volume of a wire due to change in its length...

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  12. Two wires of the same length and material but different radii r(1) and...

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  13. An increases in pressure required to decreases the 200 litres volume o...

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  14. A wire 3m long and having cross - sectional area of 0.42m^(2) is found...

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  15. Two wires are made of the same material and have the same volume. Howe...

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  16. A wire suspended vertically from one of the its ends is stretched by a...

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  17. A wire fixed at the upper end stretches by length l by applying a forc...

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  18. If 'S' is stress and 'Y' is young's modulus of material of a wire, the...

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  19. A wire elongates by l mm when a load W is hanged from it. If the wire ...

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  20. Two wires are made of the same material and have the same volume. Howe...

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