Question

why does a pond appear shallower than it is?​

Answer 1

The pond appears shallower as due to a phenomenon called refraction{which is the bending of the light ray due the passing of light through different medium(denser to rare or vice versa for which the speed of light changes)}in this case the light is travelling through denser to rare and the light moves away from normal if extended back they meet at a point which is above the actual surface and hence cause it to appear shallower.It is a form of optical illusion.

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