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5. A fish tank is filled with water of 1.5 m deep. A fish is swimming around at the bottom of the tank.

(a) If you are looking down into the tank from above, what is the apparent depth of the fish?

(The index of refraction of water is 1.33).

(b) Draw a diagram showing the real and apparent depth of the fish in water tank. (refer to Fig. 7).

(c) Assume you try to catch the fish using a fishing net. Can you catch the fish if you quickly move

the fishing net to the position where you see the fish in the tank from above?