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Solution


Q.

When a beam of white light is allowed to pass through a convex lens parallel to principal axis, the different colours of light converge at different point on the principle axis after refraction. This is called                          [2023]
1 scattering  
2 chromatic aberration  
3 spherical aberration  
4 polarisation  

Ans.

(2)

The phenomena is known as chromatic aberration.