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Equation of length contraction is ""...

Equation of length contraction is `"____________"`

A

`l = l_(0) = sqrt(1- ( v^(2))/( c^(2)))`

B

`(l)/( l_(0))= sqrt(1- ( v^(2))/( c^(2)))`

C

`l_(0) = sqrt( l- ( v^(2))/( c^(2)))`

D

`(v_(2))/( c_(2)) =(l- l_(0)) ^(2) + 1`

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The correct Answer is:
B
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