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היכנס

JAMB - Physics (2004 - No. 38)

The refractive index of the medium M in the diagram above is
1/√3
2√3
√3
2/√3

הֶסבֵּר

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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