Question

What is Focal length of mirror ????????

Answer 1

Answer:

Focal length. Focal length (shown in red) is the distance between the center of a convex lens or a concave mirror and the focal point of the lens or mirror — the point where parallel rays of light meet, or converge.

Explanation:

Answer 2

Answer:

Focal length is the distance between pole of mirror to principal focus of mirror.

If the P is Pole and F is focus then PF is focal length .

Focal length= R / 2