Length of a spring is l(1) when it is lo...

Length of a spring is `l_(1)` when it is loaded by 5 N its length is `l_(2)` when loaded by 7N its length when loaded by 9N will be:

A

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

B

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

C

`2l_(2)-l_(1)`

D

`2l_(1)-l_(2)`

Text Solution

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The correct Answer is:

C

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