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A wire suspended vertically from one of ...

A wire suspended vertically from one of itsends is strached by attached a weight of `200 N` to the lower end . The weight streches the wire by `1 mm` . Then the elastic energy stored in the wire is

A

0.2 J

B

10J

C

20J

D

0.1J

Text Solution

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The correct Answer is:
D
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ALLEN -ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 5 A (Previous year Questions)
  1. A wire suspended vertically from one of itsends is strached by attache...

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  2. A wire fixed at the upper end stretches by length l by applying a forc...

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  3. If 'S' is stress and 'Y' is young's modulus of material of a wire, the...

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  4. A wire elongates by l mm when a load W is hanged from it. If the wire ...

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  5. A cylinder of height 20m is completely filled with water. The velocity...

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  6. Spherical balls of radius 'R' are falling in a viscous fluid of viscos...

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  7. If two soap bubbles of different radii are connected by a tube

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  8. A 20 cm long capillary tube is dipped in water. The water rises up to ...

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  9. If te terminal speed of a sphere of gold (density =19.5kg//m^(3)) is 0...

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  10. A spherical solild of volume V is made of a material of density rho(1)...

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  11. A jar is filled with two non-mixing liquids 1 and 2 haivng densities r...

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  12. A capillary tube (A) is dipped in water. Another identical tube (B) is...

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  13. A spherical solid ball of volume V is made of a material of density rh...

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  14. Two wires are made of the same material and have the same volume. Howe...

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  15. A ball is made of a material of density rho where rho(oil)ltrholtrho(w...

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  16. Water is flowing continuously from a tap having an internal diameter 8...

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  17. Work done in increasing the size of a soap bubble from a radius of 3cm...

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  18. Two mercury drops (each of radius r) merge to form a bigger drop. The ...

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  19. if a ball of steel (density rho=7.8 g//cm^(3)) attains a terminal velo...

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  20. A thin liquid film formed between a U-shaped wire and a light slider s...

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