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The time required for the light to pass ...

The time required for the light to pass through a glass slab ( refractive index=1.5) of thickness u mm is (c=`3xx10^(8)ms^(-1)` speed of light in free space)

A

`10^(-11) s`

B

`2 xx 10^(-11)` s

C

`2 xx 10^(11)` s

D

`2 xx 10^(-5)` s

Text Solution

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The correct Answer is:
B
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