Question

A fish lies 90 cm below the surface of a clear pond. If the index of refraction of water is 1.33 and that of air is approximately 1, how far

below the surface does the fish appear to a person looking down from above?
The fish appears to be at a depth of [
cm.

Answer 1

The fish appears to be at a depth of 67.67 cm below the surface to a person looking down from above.

Step-by-step explanation:

The apparent depth can be calculated using the formula: apparent depth = actual depth / refractive index. In this case, the actual depth of the fish is 90 cm and the refractive index of water is 1.33. Therefore, the apparent depth of the fish is:

apparent depth = 90 cm / 1.33 = 67.67 cm

So, the fish appears to be at a depth of 67.67 cm below the surface to a person looking down from above.

Learn more about refraction of light