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What is the percentage increase in lengt...

What is the percentage increase in length of a wire of diameter 2.5 mm, stretched by a force of 100 kg wt ? Young's modulus of elasticity of wire `=12.5xx10^(11)"dyne/cm"^(2)`

A

0.0016

B

0.0032

C

0.0008

D

0.0012

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AAKASH INSTITUTE ENGLISH-MECHANICAL PROPERTIES OF SOLIDS-Assignment(Section-A)
  1. A wire of length L and cross-sectional area A is made of a material of...

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  2. A spherical ball contracts in volume by 0.02% when subjected to a norm...

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  3. What is the percentage increase in length of a wire of diameter 2.5 mm...

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  4. Two exactly similar wires of steel and copper are stretched by equal f...

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  5. Which of the following graphs represents stress-strain variation for...

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  6. A steel rod has a radius 10 mm and a length of 1.0 m. A force stretch...

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  7. The elastic limit of steel is 8xx10^8Nm^-2 and its Young modulus 2xx10...

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  8. As shown in figure, by combining together copper and steel wires of sa...

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  9. Select the correct alternative(s).

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  10. A metallic rod of length l and cross-sectional area A is made of a mat...

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  11. The Poisson's ratio of a material is 0.5. If a force is applied to a w...

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  12. The load versus elongation graph for four wires of the same material i...

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  13. A uniform heavy rod of weight W, cross sectional area a and length L i...

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  14. If in case A, elongation in wire of length L is l then for same wire e...

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  15. In the given figure, if the dimensions of the two wires are same but m...

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  16. If the Bulk modulus of lead is 8.0xx10^(9)N//m^(2) and the initial den...

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  17. Two wires A and B of same material have radii in the ratio 2:1 and le...

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  18. For a given material, the Young's modulus is 2.4 times that of the m...

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  19. When the temperature of a gas is 20^(@)C and pressure is changed from ...

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  20. The stress versus strain graphs for wires of two material A and B are ...

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