Light is incident on the surface of the water in an aquarium with an angle of 37.5º. It travels through the water, reflects off the mirror on the bottom of the aquarium, and emerges back into the air. If the aquarium is 0.4 m deep and light travels at a speed 2.22 x 108 m/s in the aquarium, determine the distance between the light's entry and exit points. (Hint: The aquarium water contains many dissolved substances and will have a slightly different index of refraction than regular water).
Light is incident on the surface of the water in an aquarium with an angle of 37.5º. It travels through the water, reflects off the mirror on the bottom of the aquarium, and emerges back into the air. If the aquarium is 0.4 m deep and light travels at a speed 2.22 x 108 m/s in the aquarium, determine the distance between the light's entry and exit points. (Hint: The aquarium water contains many dissolved substances and will have a slightly different index of refraction than regular water).
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