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If .(i)mu(j) represents refractive index...

If `._(i)mu_(j)` represents refractive index when a light ray goes from mefium `i` to medium `j`, then the product `._(2)mu_(1)xx._(3)mu_(2)xx._(4)mu_(3)` is equal to

A

`""_(3)mu_(1)`

B

`""_(3)mu_(2)`

C

`1/(""_(1)mu_(4))`

D

`""_(4)mu_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`""_(i)u_(j)=mu_(j)/mu_(i)`
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