A tank whose bottom is a mirror is filled with water to a depth of $20\mathrm{.}2$ cmcm $.$ A small fish floats motionless $7\mathrm{.}30$ cmcm 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 $1\mathrm{.}33$ for the index of refraction of water.

View Available Hint$($s$)$for Part A

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

nothing

cmcm

Submit

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 $1\mathrm{.}33$ for the index of refraction of water.

View Available Hint$($s$)$for Part B

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

nothing

cm