Question

the focal length of a sperical mirror with radius of Curvature 30cm is​

Answer 1

Answer:

1 Answer. Focal length is half the radius of the mirror.

Explanation:

i hope you understand

Answer 2

Answer:

Focal length is half the radius of the mirror.

Explanation:

So

f=30/2=15cm

With a spherical mirror this is not the focal length, as rays do not converge in one point, depending on their distance from the optical axis. But for small mirrors this will do.