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The length of a metal wire is l(1) when ...

The length of a metal wire is `l_(1)` when the tension in it is `T_(1)` and is `l_(2)` when the tension is `T_(2)`. Then natural length of the wire is

A

`(l_(1)+l_(2))/(2)`

B

`(T_(2)l_(1)+T_(1)l_(2))/(T_(1)+T_(2))`

C

`(T_(2)l_(1)-T_(1)l_(2))/(T_(2)-T_(1))`

D

`(T_(1)l_(1)-T_(2)l_(2))/(T_(2)-T_(1))`

Text Solution

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The correct Answer is:
C
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