Q1 of 123 Page 410

A point source of light is placed in front of a plane mirror.

Getting reflected from a mirror, will make the light rays to converge again. So, backtracking will definitely get back to the same point.

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18

Can mirrors give rise to chromatic aberration?

 19

A laser light is focused by a converging lens. Will there be a significant chromatic aberration?

 2

Total internal reflection can take place only if

 3

In image formation from spherical mirrors, only paraxial rays are considered because they