PDF chapter test TRY NOW
Get a plane mirror of a suitable size. Place it in a bowl (katori). Fill the bowl with water. Put this arrangement near a window in such a way that direct sunlight falls on the mirror. Adjust the position of the bowl so that the reflected light from the mirror falls on a wall. If the wall is not white, fix a sheet of white paper on it. Reflected light will be seen to have many colours. How can you explain this?
The mirror and water form a . This up the light into its colours, This process is known as . is a natural phenomenon showing this process.
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