Answer to Question #331274 in Optics for Bani

Question #331274

A beam of light enters water at an angle of 60 degrees relative to the normal of the water surface . Find the angle of refraction?



Light passes from air into water . If the angle of refraction is 20° ,what is the index of refraction of the plastic?

1
Expert's answer
2022-04-20T13:46:47-0400

1.

β=arcsinsinαn=40.5°.\beta=\arcsin\frac{\sin\alpha}n=40.5°.

2.

n=1sinβ=2.9.n=\frac 1{\sin\beta}=2.9.


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