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A steel wire is stretched by 5 kg wt. If...

A steel wire is stretched by 5 kg wt. If the radius of the wire is doubled its Young's modulus

A

Remains unchanged

B

Becomes double

C

Becomes half

D

Becomes 1/4 times

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE -IA
  1. Graph between the applied force and the change in length of a wire wit...

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  2. Which of the following substances has the highest elasticity

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  3. A steel wire is stretched by 5 kg wt. If the radius of the wire is dou...

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  4. A copper wire and a steel wire of the same diameter and length are con...

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  5. The temperature of a wire is doubled. The Young's modulus of elasticit...

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

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  7. A heavy mass is attached to a thin wire and is whirled in a vertical c...

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  8. Modulus of rigidity of ideal liquids is

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  9. For an ideal liquid

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  10. The Bulk modulus of a perfect rigid body is

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  11. Identical springs of steel and copper are equally stretched. The sprin...

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  12. The possible value of Poission's ratio is

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  13. Steel is preferred for making springs over copper because

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  14. The Poisson's ratio o should satisfy the relation

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  15. The property of metals whereby they could be drawn into thin wires bey...

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

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  17. Consider an ideal monoatomic gas of volume V at pressure P. The bulk m...

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  18. If a metal wire is stretched a little beyond its elastic limit (or yie...

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  19. A metal wire of length L, area of cross-section A and Young's modulus ...

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  20. A uniform rod of mass m, length L, area of cross-section A and Young's...

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