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A stone is suspended in a tub of water w...

A stone is suspended in a tub of water with copper wire. Another stone of equal mass is suspended in kerosene with equal length of copper wire then

A

Young's modulus is more in the first case

B

Young's modulus is more in the second case

C

Elongation will be less in the former case

D

Elongation will be more in the former case

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE -IA
  1. A copper wire and a steel wire of the same diameter and length are con...

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

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

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

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  5. Modulus of rigidity of ideal liquids is

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  6. For an ideal liquid

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  7. The Bulk modulus of a perfect rigid body is

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

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  9. The possible value of Poission's ratio is

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  10. Steel is preferred for making springs over copper because

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

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

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

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

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

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

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

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  18. An elastic metal rod will change its length when it a) falls vert...

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  19. The maximum load a wire can withstand without breaking, when its lengt...

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  20. A body of mass M is attached to the lower end of a metal wire, whose u...

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