Question

What are the properties of the principal focus of a concave mirror

Answer 1

Answer:

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Explanation:

The principle focus of concave mirror is a point on its principle axis to which all the light rays which are parallel and close to the axis, converge after reflection from the mirror.

Uses of convex mirrors:

1) Convex mirrors are used in rear view mirror in vehicles because the mirror can diverge a beam of light and create a virtual image.

2) Convex mirrors are used as reflectors in street lamps to diverge light over a larger area.

Answer 2

Explanation:

A light coming from infinity passes from principal focus , focusing all light rays at one point forming a highly diminished image that is a small image.