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Given that n1 = 1.5, if the angle of incidence equals 30 degrees and the angle...

Given that n1 = 1.5, if the angle of incidence equals 30 degrees and the angle of refraction equals 45 degrees, find the value of n2.

What is the speed of light in m/s in medium n1?

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Answer #1

Refractive index of medium 1 = n1 = 1.5

Refractive index of medium 2 = n2

Angle of incidence = 1 = 30o

Angle of refraction = 2 = 45o

By Snell's Law,

n2 = 1.06

Speed of light in vacuum = c = 3 x 108 m/s

Speed of light in medium 1 = v1

v1 = 2 x 108 m/s

a) Refractive index of the second medium = 1.06

b) Speed of light in medium 1 = 2 x 108 m/s

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