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If the figure below, PQRS denotes the pa...

If the figure below, `PQRS` denotes the path followed by a ray of light as it travels three media in succession. The absoulte refractive indices of the media are `mu_(1),mu_(2)` and `mu_(3)` respectively (The line segment `RS'` in the figure is parallel to `PQ`) Then :
.

A

`mu_(1) gt mu_(2) gt mu_(3)`

B

`mu_(1) lt mu_(2) mu_(3)`

C

`mu_(1) = mu_(3) lt mu_(2)`

D

`mu_(1) lt mu_(3) lt mu_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Snell's law.
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