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The breaking stress of aluminium is 7.5 ...

The breaking stress of aluminium is `7.5 xx 10^7 Nm^(-2)` Find the greatest length of aluminum wire that can hang vertically without breaking Density of aluminium is `2.7 xx 10^3 kg m^(-3)`

A

`283xx10^3m`

B

`28.3xx10^3m`

C

`2.83xx10^3m`

D

`0.283xx10^3m`

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AAKASH INSTITUTE ENGLISH-MECHANICAL PROPERTIES OF SOLIDS-Assignment(Section-A)
  1. Young's modulus depends upon

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  2. What is the Young's modulus for a perfect rigid body?

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  3. The breaking stress of aluminium is 7.5 xx 10^7 Nm^(-2) Find the great...

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  4. The stress-strain graphs for two materials A and are shown in figure. ...

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  5. A steel wire of diameter 2 mm has a breaking strength of 4xx10^(5)N. W...

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  6. A Steel wire is 1m long and 1mm^(2) in area of cross-section. If it ta...

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  7. A wire 2 m in length suspended vertically stretches by. 10 mm when mas...

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  8. A wire of length L and cross-sectional area A is made of a material of...

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

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

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

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

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

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

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

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  16. Select the correct alternative(s).

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

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

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

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

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