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A slab of glass is surrounded by air on all sides. A ray of unpolarized light pr

ID: 2013973 • Letter: A

Question

A slab of glass is surrounded by air on all sides. A ray of unpolarized light propagating in the glass strikes one of the surfaces of the glass at the polarizing angle
A)What can you conclude about the light that is refracted into the air?
a)it is partially polarized parallel to the plane of incidence
b)it is completely polarized parallel to the plane of incidence
c)in this situation no light is refracted into the air
d)answer depends on the index of refraction of the glass
e)it is partially polarized perpendicular to the plane of incidence
f)it is unpolarized
g)it is completely polarized perpendicular to the plane of incidence

Explanation / Answer

f)it is unpolarized
   because reflected beam is alway completely polarized or partially polarized.
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