The ratio of the speed of light in a medium to the speed of light in a vacuum
is called its:
A. angle of incidence
B. Snell's Law
C. angle of refraction
D. refractive index
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Ответ:
D.Refractive Indez
Explanation:
It is usually expressed the other way: the ratio of the speed of light in a vacuum to the speed of light in a medium. In that case, it is called the "index of refraction".
Ответ:
You're going for "refractive index", but you've got the ratio flipped over.
Ответ:
false
but it may be true only if you fall the heavier one first