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On mixing impurities, the elasticity of ...

On mixing impurities, the elasticity of a material

A

decreases

B

increases

C

sometimes increases and sometimes decreases

D

remains same

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-ELASTICITY-EXERCISE -2
  1. On increasing temperature, the elasticity of a material

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  2. Two wires, out of copper and the other of steel, are of same length an...

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  3. On mixing impurities, the elasticity of a material

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  4. The bulk modulus of rubber is 9.1xx10^(8)N//m^(2). To what depth a rub...

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  5. On applying the load the increment in length of a wire is 1 mm. On app...

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  6. Which of the following shows greater increment in length when subjecte...

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  7. The isothermal bulk modulus of a gas at atmospheric pressure is

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

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  9. A metal rod of Young's modulus 2xx10^(10)Nm^(-2) undergoes an elastic ...

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  10. The compressibility of water is 4xx10^-5 per unit atmospheric pressure...

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

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  12. The force constant between the restoring force F and displacement x of...

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  13. The length of a metal wire is l(1) when the tension in it is F(1) and...

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  14. A metal bar of length L and area of cross-section A is rigidly clamped...

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  15. Poisson's ratio of a certain material is 0.2. If a longitudinal strain...

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  16. A steel ring of radius r and cross section area A is fitted on to a wo...

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  17. After suspendind a body of mass 1 kg from a wire of negligible mass, l...

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  18. On suspending a weight Mg, the length l of elastic wire and area of cr...

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  19. When the tension in a metal wire is T(1), its length is I(1). When the...

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  20. When a sphere is taken to bottom of sea 1 km deep, it contracts by 0.0...

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