2) (20 pts.) An object is sitting in a water tank, below the surface of the water. An observer in air measures the depth of the object from a viewing direction very close to the surface normal, and determines the depth to be 7.5 cm. What is the actual depth of the object? The refractive index of air is equal to 1 and that of water is equal to 1.33.

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2) (20 pts.) An object is sitting in a water tank, below the surface of the water. An observer in air
measures the depth of the object from a viewing direction very close to the surface normal,
and determines the depth to be 7.5 cm. What is the actual depth of the object? The refractive
index of air is equal to 1 and that of water is equal to 1.33.
Transcribed Image Text:2) (20 pts.) An object is sitting in a water tank, below the surface of the water. An observer in air measures the depth of the object from a viewing direction very close to the surface normal, and determines the depth to be 7.5 cm. What is the actual depth of the object? The refractive index of air is equal to 1 and that of water is equal to 1.33.
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