An underwater diver sees the sun 50 ∘ above horizontal.

An underwater diver sees the sun 50 degrees above the horizontal.How high is the sun above
the horizon to a fisherman in a boat above the diver?

Answer

Diagram: fisherman 50% A 40° 50° diver Apply the Snells at the point A. n sin40 n sin 6, Solve the equation fore (1.33)sin 40°= (1)sing sin , (1.33)in 40 0, = sin-

Solution: The angle of incidence is given by, i = 90°-50° = 40° Let the angle as seen by the fisherman with horizon is r. Usi

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