What best describes why the critical angle of an air-glass boundary is 39.3°?
a.
it is...
What best describes why the critical angle of an air-glass boundary is 39.3°?
a.
it is the angle of refraction in glass for which the angle of incidence in air is 90°.
b.
it is the angle of incidence in air for which the angle of refraction in glass is 90°
c.
it is the angle of refraction in air for which the angle of incidence in glass is 90°
d.
it is the angle of incidence in glass for which the angle of refraction in air is 90°.
Answers: 2
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