Question

Write rules of image formation by spherical mirror showing ray diagram , it will help to understand how image formation take place on intersanction of 2 Ray’s of light.

Answer 1

General rules for image formation using ray diagrams:

Any ray of light that passes through the mirror, is always parallel to the principal axis.

Any ray of light that passes through the mirror always passes through the principal focus (f) of the mirror after reflection.

A ray of light passing through the center of curvature of any mirror is reflected back along the same path.

Any incident ray which isn’t parallel to the principal axis is also reflected diagonally and the incident ray and the reflected ray always follow the laws of reflection i.e. the angles formed by these rays are equal to each other.

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