Question

why a lemon kept in a glass of water appears to be bigger than its size​

Answer 1

Answer:

water is more optically dense than air so light would bend towards the normal. Due to this different light rays meet above the actual position of the lemon. This refraction causes the bending of rays and results in the diverging image. Therefore the lemon appearsto be raised and slightly bigger.

Answer 2

Answer:

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Since water is more optically dense than air so light would bend towards the normal. Due to this different light rays meet above the actual position of the lemon. This refraction causes the bending of rays and results in the diverging image. Therefore the lemon appearsto be raised and slightly bigger.