The refractive index of the medium M in the diagram above...
The refractive index of the medium M in the diagram above is
A.
1/√3
B.
2√3
C.
√3
D.
2/√3
Correct answer is C
From the above diagram ; ? = 90o - 30o = 60o
v = 90 - 60 = 30
∴ refractive index = (sin ?)/(sin v) = (sin 60o / sin 30o) = √3/2/1/2
= √3/2 x 1/2
= √3
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