Question

Define principal focus of a concave mirror​

Answer 1

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• The principal focus of a concave mirror is a point on its principal axis to which all the light rays which are parallel will converge after reflection from the concave mirror. ... After reflection from a concave mirror, the rays will converge to the focal point of the mirror which is denoted by point F in the image.

Answer 2

Answer:

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

Explanation:

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