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

`._(3)mu_(1)`

`._(3)mu_(2)`

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

`._(4)mu_(2)`

Text Solution

Verified by Experts

`._(2)mu_(1)xx._(3)mu_(2)xx._(4)mu_(3)=(mu_(1))/(mu_(2))xx(mu_(2))/(mu_(3))xx(mu_(3))/(mu_(4))=(mu_(1))/(mu_(4))=._(4)mu_(1)=(1)/(._(1)mu_(4))`

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