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There are certain materials developed in...

There are certain materials developed in laboratories which have a negative refractive index, Fig. A ray incident from air (medium 1) into such a medium (medium 2) shall follow a path given by
.

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A
Using Snell's Law,
`mu = (sini)/(sinr) rArr sin r = (sini)/(mu)`
According to question, `mu` is negative
`:. Sin r` is negative
Hence, r is negative, therefore figure (a) is correct.
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