Question

define the principle focus of a concave mirror​

Answer 1

Answer:

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:

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