Refraction Of Light Video Lessons

Concept

# Problem: A tank whose bottom is a mirror is filled with water to a depth of 19.4. A small fish floats motionless 7.10 under the surface of the water.Part AWhat is the apparent depth of the fish when viewed at normal incidence to the water?Express your answer in centimeters. Use 1.33 for the index of refraction of water.Part BWhat is the apparent depth of the reflection of the fish in the bottom of the tank when viewed at normal incidence?Express your answer in centimeters. Use 1.33 for the index of refraction of water.

###### FREE Expert Solution

Part A

The apparent depth of the fish is given by:

d' = (ηaw)d

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###### Problem Details

A tank whose bottom is a mirror is filled with water to a depth of 19.4. A small fish floats motionless 7.10 under the surface of the water.

Part A

What is the apparent depth of the fish when viewed at normal incidence to the water?
Express your answer in centimeters. Use 1.33 for the index of refraction of water.

Part B

What is the apparent depth of the reflection of the fish in the bottom of the tank when viewed at normal incidence?
Express your answer in centimeters. Use 1.33 for the index of refraction of water.

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