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

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

A

`(L_(1)F_(1)+L_(2)F_(2))/(F_(1)+F_(2))`

B

`(L_(2)-L_(1))/(F_(1)+F_(2))`

C

`(F_(1)L_(2)-F_(2)L_(1))/(F_(1)-F_(2))`

D

`(F_(1)L_(1)-F_(2)L_(2))/(F_(1)-F_(2))`

Text Solution

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The correct Answer is:
C
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