Define the principle focus of the concave mirror.

1.	Define the principle focus of the concave mirror.
Answer» Principal focus for concave mirror is that point at which all the light rays converges 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......hope this helps uhh? 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.

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