Light passes from air into water at an angle of incidence of 42.3 determine the angle of refraction in the water

Explanation:

Refraction occurs when a ray of light passes from a medium into another medium. In this situation, the ray of light bends and changes speed, according to Snell's Law:

where

is the index of refraction of the 1st medium

is the index of refraction of the 2nd medium

is the angle of incidence (the angle between the incident ray and the normal to the boundary)

is the angle of refraction (the angle between the refracted ray and the normal to the boundary)

In this problem, we have:

is the index of refraction of air

is the index of refraction of water

is the angle of incidence in air

Solving for , we find the angle of refraction in water:

all of the answers are correct.

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explanation:

the answer would be   dignified - apex