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Compound Statement

If X is a fri...

Question

If X is a fringe width then the distance fifth between fifth dark band on one side fifth bright band on other side of centre bright band is :

A

10.5 X

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B

9 X

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C

9.5 X

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D

10 X

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Solution

The correct option is C 9.5 X
$S o l u t i o n :$ X is a fringe width then the distance fifth between fifth dark band on one side fifth bright band on other side of centre bright band is $9.5 x$ fringe width.(in figure)
$S o, t h e$ $c o r r e c t$ $o p t i o n : C$

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