A fisherman, 1.8m tall, stands at the edge of a lake, being watched by a suspici

Question

A fisherman, 1.8m tall, stands at the edge of a lake, being watched by a suspicious trout who is some distance from the fisherman in the horizontal direction and a distance 47cm below the surface of the water. Use 1.35 as the index of refraction for water.

What is the angle of incidence of the light from the top of the fisherman's head on the surface of the water if the light hits the water a horizontal distance 4.21m from the shore?

66.9

What is the angle of transmission of the light ray into the water?

42.9

At what angle from the vertical does the fish see the top of the fisherman

66.9

Explanation / Answer

The fish sees the fisherman's head at the angle of transmission of the light from his head, 42.9 degrees [ANSWER]

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