1. A light ray is directed onto the surface of water at an incident angle of 25 degree. The index of refraction is 1.33 for water.
a. What is the angle of refraction of the ray in the water?
b. Part of the light ray is reflected upward from the water surface. What is the angle of reflection?
c. If a ray of light is projected upward through the water, at an angle of incidence of 35 degree . What is the angle of the refraction into the air?
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