Physics, 19.02.2020 04:53 AleOfficial101
8. If the index of refraction for a certain glass is 1.50, and the angle of refraction is 15° for a ray of
light traveling from air, what is the angle of incidence?
Answers: 2
. 
be the angle of incidence, and 
be the angle of refraction.
, 
is the refractive index of the medium where the light comes from, and
is the refractive index of the medium that the light enters.
(about the same as that of vacuum.) Hence, 
.The light enters into glass, which (according to the question) has a refractive index of 
. That is: 
.
. By Snell's Law,
.
.
.
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