Three slabs of different types of glass of uniform thickness are in contact with one another.The materials have indices of refraction ,
,and
where
and
.A beam of light starting in air is incident on the surface of material 1 at an angle of incidence of 35 .The beam continues through material 1,material 2,and material 3,finally emerging into the air again.In which of materials 1,2,or 3,does the beam experience the smallest angle of refraction?
A) material 1
B) material 2
C) material 3
D) This cannot be answered unless one knows the values of ,
,and
since the answer depends upon their relative ratios.
Correct Answer:
Verified
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