Asked by Maria

A ray of light has an angle of incidence of 30.4 degrees
on a block of quartz and an angle of refraction
of 20.7 degrees.
What is the index of refraction for this block
of quartz?

Answers

Answered by drwls
sin 30.4 = N sin 20.7

Solve for the index, N

It's called Snell's Law

This assumes the incident ray is in air or vacuum, where the index is 1.000
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