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Which of the following affects the elast...

Which of the following affects the elasticity of a substance ?

A

Change in temperature

B

Impurity of substance

C

Hammering and annealing

D

All of these

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The correct Answer is:
D
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KUMAR PRAKASHAN-MACHANICAL PROPERTIES OF SOLIDS -SECTION-E
  1. Which of the following physical quantity is dimensionless?

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  2. A stretched rubber has .......

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

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  4. A steel ring of radius r and cross-sectional area A is fitted onto a w...

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  5. The compressibility of water is 4 xx 10 ^(-5) per unit atmospheric pr...

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  6. If x longitudinal strain is produced in a wire of Young's modulus Y, t...

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  7. According to Hooke's law of elasticity, if stress is increased, the ra...

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  8. The diameter of a brass rod is 4 mm and Young's modulus of brass is 9 ...

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  9. For a constant hydraullic stress on an object the fractional change in...

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  10. Shear modulus is zero for ........

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  11. If a wire is extended to a new length l, the work done is .........

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  12. A cylindrical wire is twisted with an angle theta, what is torsion pro...

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  13. The adjacent graph shows the extension (DeltaI) of a wire of length 1 ...

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  14. A wire of length L and radius r is clamped rigidly at one end. When th...

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  15. A pendulum made of a uniform wire of cross sectional area A has time p...

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  16. A wire of length L is fixed at one end. It is elongates by I when a lo...

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  17. A metal rod of Young's modulus and coefficient of thermal expansion al...

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  18. The Young's modulus of brass and steel are 10 ^(11) Nm ^(-2) and 2 xx ...

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  19. Copper of fixed volume V is drawn into wire of length I. When this wir...

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  20. The Young's modulus of steel is twice that of brass. Two wires of same...

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