Question

Question 9 of 10

What happens to light as it moves at an angle into a medium that has a higher index of refraction?
A. It slows down, and the angle decreases.
B. It speeds up, and the angle increases.
C. It slows down, and the angle increases.
D. It speeds up, and the angle decreases.

Answer 1

v = C / n light slows entering a medium of higher index of refraction

ni sin theta i = nr sin theta r Snell's Law where i refers to incidence and r refers to refraction

sin theta r = (ni / nr) sin theta i

So if the index of refraction is greater than the angle of incidence then the light ray would be refracted towards the normal

Answer 2

A. It slows down, and the angle decreases.

Step-by-step explanation:

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