Question

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

• A.
• B.
• C.
• D.

Answer 1

Answer: (A)

Answer 2

: Using Snell’s law,

According to question,$\mu$ is negative

$\therefore$sin r is negative.

Hence, r is negative; therefore graph (1) is correct.