Question

Define the principal focus of a concave mirror?​

Answer 1

Answer:

Explanation:

principal focus of concave mirror

Light rays that are parallel to the principal axis of a concave mirror converge at a specific point on its principal axis after reflecting from the mirror. This point is known as the principal focus of the concave mirror.

Answer 2

Explanation:

Answer. 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.