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Why is it that when you dive for a coin at the bottom of a swimming poolthe coin is not exactly where it appeared to be?
Wiki User
∙ 15y ago
As light changes from one medium to another, it changes speed and bends. This is called refraction. The light rays actually slow down when going down when going from the air to the water. This means that the coin looks like it is in a different location than it actually is.
Wiki User
∙ 15y ago
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