Q3 of 123 Page 410

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

Marginal rays generate focal length error and image distortion. Hence, only paraxial rays are considered.

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1

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

 2

Total internal reflection can take place only if

 4

A point object is placed at a distance of 30 cm from a convex mirror of focal length 30 cm. The image will form at

 5

Figure (18-Q2) shows two rays A and B being reflected by a mirror and going as A’ and B’. The mirror