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When metal wire is stretched by a load t...

When metal wire is stretched by a load the fractional change in its volume `((/_\V)/V)` is proportional to

A

`(/_\l)/l`

B

`((/_\l)/l)^2`

C

`sqrt((/_\l)/l)`

D

none of these

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HC VERMA ENGLISH-SOME MECHANICAL PROPERTIES OF MATTER-Objective-1
  1. A wire elongates by 1.0 mm when a load W is hanged from it. If this wi...

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  2. A heavy uniform rod is hanging vertically from a fixed support. It is ...

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  3. When metal wire is stretched by a load the fractional change in its vo...

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  4. The length of a metal wire is l1 when the tension in it is T1 and is l...

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

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  6. When a metal wire elongates by hanging a load on it, the gravitational...

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  7. By a surface of a liquid we mean

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  8. An ice cube is suspended in a vacuum in gravity free hall. As the ice...

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  9. When water droplets merge to form a bigger drop

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  10. The dimension ML^-1T^-2 can correspond to

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  11. Air is pushed into a soap bubble of radius r to double its radius. If ...

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  12. If more air is pushed in a soap bubble the pressure in it

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

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  14. Figure shows a capillary tube of radius r dipped into water. If the a...

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  15. The excess pressure inside a soap bubble is twice the excess pressurre...

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  16. Which of the following graphs may represent the relation between the c...

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  17. Water rises in a vertical capillary tube up to a length of 10 cm. If t...

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

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  19. Viscosity is property of

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  20. The force of viscosity is

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