Question

1. If the radius of curvature of a spherical mirror is 20 cm, what is it's focal length,?​

Answer 1

Explanation:

above picture shows the answer. hope it helps u

Answer 2

HEY FRIEND HERE IS UR ANSWER ,

Radius of curvature (R) = 20 cm

Radius of curvature of the spherical mirror = 2 × Focal length (f) R = 2f

f= R/2 = 20 / 2 = 10

Therefore, the focal length of the spherical mirror is 10 cm.

HOPE IT HELPS :)

MARK ME AS BRAINLIEST AND FOLLOW ME !!!!!!!