.ill MetroPCS? 11:41 AM a loncapa1.fsu.edu Part A The refractive index of a tran

Question

.ill MetroPCS? 11:41 AM a loncapa1.fsu.edu Part A The refractive index of a transparent material can be determined by measuring the critical angle when the solid is in air. If 0c 41.3° what is the index of refraction of the material? 1.52 You are correct Previous Tri Your receipt no. is 162-9883 Part B A light ray strikes this material (from air) at an angle of 37.9° with respect to the normal of the surface. Calculate the angle of the reflected ray (in degrees) Submit AnswerTries 0/15 Part C Calculate the angle of the refracted ray (in degrees) Submit Answer Tries 0/15 Part D Assume now that the light ray exits the material. It strikes the material-air boundary at an angle of 37.9° with respect to the normal. What is the angle of the refracted ray? Submit AnswerTries 0/15

Explanation / Answer

a)

From Snell's Law

n1Sin(o1) =n2SIn(o2)

n1*Sin41.3=1*SIn90

n1 =1.515 =1.52 (approx)

b)

The angle of incidence is equal to angle of refracrtion

or=37.9o

c)

1.515Sin(o) =1*SIn37.9

o=23.92o

d)

1.515*Sin37.9 =1*Sin(o)

o=68.55o

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