Question

what is principal focus of a convex mirror? what is it is situated in the principal axis​

Answer 1

Answer:

(a) (i) Principal focus of a convex mirror: The principal focus of a convex mirror is a point on its principal axis from which a beam of light rays, initially parallel to the axis, appears to diverge after being reflected from the convex mirror.

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Answer 2

Principal focus of a convex mirror

The light rays that converge on the principal axis after reflecting from a convex mirror and are parallel to the principal axis are called principal focus of a convex mirror. They either actually in real meets or appears virtually to meet. The virtual image is not formed on the screen.

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