Q. Assertion : Coloured spectrum is seen when we look through a muslin cloth. Reason : It is due to the diffraction of white light on passing through fine slits.

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Assertion : Coloured spectrum is seen when we look through a muslin cloth. Reason : It is due to the diffraction of white light on passing through fine slits.

Solution:

The coloured spectrum is due to diffraction of white light on passing through fine slits made by fine threads in the muslin cloth.