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Elongation of a wire under its own weig...

Elongation of a wire under its own weight is independent of

A

length

B

area of cross section

C

density

D

young's modulus

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The correct Answer is:
B
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NARAYNA-MECHANICAL PROPERTIES OF SOLIDS-C.U.Q
  1. A heavy mass is attached to a thin wire and is whirled in a vertical c...

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  2. Steel is preferred for making springs over copper because

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  3. Elongation of a wire under its own weight is independent of

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  4. The young's modulus of a wire of length (L) and radius (r ) is Y. If t...

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  5. The dimensional formula for young's modulus is

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  6. The modulus of rigidly of a liquid is

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  7. The young's modulus of air is

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  8. Young's modulus for perfectly plastic body is

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  9. Young's modulus for a perfectly rigid body is

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  10. Within elastic limit, which of the following graphs correctly represen...

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  11. Which of the folliwing substances has the highest elastictiy

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  12. A steel wire is stretched by 5k wt. If the radius of the wire is doub...

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  13. A stone is suspended in a tub of water with copper wire. Another ston...

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  14. A given quantity of a ideal gas is at pressure P and absolute tempera...

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  15. K is the force constant of a spring. The work done in increasing its e...

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  16. A wire of length L and cross sectional area A is made of a material of...

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  17. The following substances which posses rigidity modulus

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  18. The poisson's ratio cannot have the value

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  19. When a rubber cord is streched, the changed in volume in neglible comp...

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  20. What is the possible value of Poisson's ratio of a substance?

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