Geography, 25.04.2021 14:00, bferguson7986
Which statement is correct?
A The speed of light in glass is equal to the speed of light in a vacuum multiplied by the
refractive index of glass.
B The incident angle of a light ray at an air-glass surface is the angle between the ray and the
glass surface.
C The sine of the critical angle at an air-glass surface is equal to
refractive index of glass
D The angle of refraction for light passing through an air-glass surface is proportional to the
angle of incidence at that surface.β
Answers: 3
Geography, 24.06.2019 05:00, reddmeans6
How did geography influence the settlement of early africa.
Answers: 1
Which statement is correct?
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