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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

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The correct Answer is:
A
According to Snell's law, `mu = (sin i)/(sin r)` or `sin r = (sin i)/(mu)`
As `mu` is negative , `sin r` is negative. `:. r` is negative. The path shown in Fig. is correct.
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