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Which of the following affects the elast...

Which of the following affects the elasticity of a substance

A

hammering and annealing

B

change in temperature

C

impurity in substance

D

all of these

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The correct Answer is:
D
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NARAYNA-MECHANICAL PROPERTIES OF SOLIDS-C.U.Q
  1. Reason for the deforemation of a regular body is

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  2. For a gas elastic limit

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  3. Which of the following affects the elasticity of a substance

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  4. A spring is stretched by applying a load to its free end. The strain...

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  5. Three wires A,B,C made of different materails elongated by 1.5,2.5,3.5...

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  6. The modulus of elasticity is dimesionally equivalent to

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  7. For a perfectly rigid body

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  8. Statement-1 : C(P)-C(upsilon) = R is true for monoatomic gases only. ...

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  9. As temperture increases the Young's modulus of the material of a wire

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  10. If stress is numbercially equal to young's modulus, the elongation wi...

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  11. A wire elongastes by 1.0 mm when a load W ils hung from it. If this wi...

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  12. A uniform rod of length L and mass M is pulled horizontally on a smoot...

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  13. The bulk modulus for an incompresssible liquid is

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  14. Shearing strain is expreseed by

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  15. Braking froce per unit area of cross section of a wire is called

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  16. The property of metals where by they could be drawn into thin wires b...

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  17. The breaking stress of a wire depends on

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  18. A wire can sustain the weight of 40kg before breaking. If the wire is...

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  19. The graph shows the change 'Delta l' in the length of a thin uniform w...

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  20. If the length of the wire is doubled the strain produced is

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