Question

The focal length of a spherical mirror of small aperture is __________ of its radius of curvature.​

Answer 1

Answer:

Half

Explanation:

The point of convergence of all reflected rays of the mirror is located at a point on the radius of curvature such that it bisects it.

Answer 2

Answer:

focal length (f) = $\frac{Radius Of Curvature (R)}{2}$

Or in words " HALF"

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