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Distinguish between elasticity and plast...

Distinguish between elasticity and plasticity of materials.

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Elasticity . It is the property of the body due to which the body regains its original configuration (length, volume of shape) when the deforming forces are removed. The body which has this property is called elastic body.
Plasticity. It is the property of the body due to which it does not regain to its original configuration (length , volume or shape), when the deforming force are removed from it. The body which has this property is called plastic body.
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PRADEEP-PROPERTIES OF BULK MATTER-Short Answer Questions
  1. Distinguish between elasticity and plasticity of materials.

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  2. The length of a steel wire is l(1) when the stretching force is T(1) a...

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  3. When a weight W is hung from one end of a wire of length L (other end ...

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  4. One end of a uniform rod of mass M and cross-sectional area A is susp...

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  5. A thick rope of density rho and length L is hung from a rigid support....

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  6. Two wires made of same material are subjected to forces in the ratio 1...

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  7. A cable is replaced by another cable of the same length and material b...

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  8. A copper wire of negligible mass, length l and corss-section A is kept...

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  9. A hollow shaft is found to be stronger than a solid shaft made of same...

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  10. A metal bar of length L and area of cross-section A is rigidly champed...

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  11. Two rod A and B of the same material and dame length have radii r(1) a...

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  12. A metallic wire of length L, area of cross-section A is suspended by a...

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  13. The longer side of cross-section of the girder is used as depth. Why?

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  14. Explain elastic behaviour of solids.

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  15. Explain the terms (i) stress, (ii) strain.

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  16. State and prove Hooke's law.

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  17. Discuss experimental determination of Young's modulus of a metallic wi...

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  18. Explain (i) ducitile materials (ii) brittle materials and (iii) elastr...

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  19. Explain (i) Elastic after effect and (ii) Elastic fatique with illustr...

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  20. What do you understand by potential energy in a stretched wire? Find a...

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