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The length of a metal wire is l1 when th...

The length of a metal wire is `l_1` when the tensionin it is `T_1 and is l_2` when the tension is `T_2`. The natural length of the wire is

A

`(l_2+l_2)/2`

B

`sqrt(l_1l_2)`

C

`(l_1T_2-l_2T_1)/(T_2-T_1)`

D

`(l_1T_2+l_2T_1)/(T_2+T_1)`

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HC VERMA-SOME MECHANICAL PROPERTIES OF MATTER-Objective 1
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  2. When metal wire is stretched by a load the fectional change in its vol...

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  3. The length of a metal wire is l1 when the tensionin it is T1 and is l2...

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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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  11. If more aire is pushed in a soap bubble the pressure in it

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

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

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

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

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

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

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