Answer to Question #82578 in Optics for Sarah

Question #82578

A coin lies at the bottom of a tank containing water to a depth of 130cm. If the refractive index is 1.3. Calculate the apparent depth of the coin.

Expert's answer

Real depth is H. Apparent depth is h.

n=H/h

1.3=130/h

h=130/1.3=100 cm.

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