Question

The radius of curvature of a spherical mirror is 20 cm.what is it's focal length ?
answer plizzzzz​

Answer 1

Explanation:

Radius of curvature = 20 cm

Radius of curvature of a spherical mirror = 2 — Focal length

R= 2f

f= R/2

f = 20 / 2

f = 10

Hence, the focal length of the given spherical mirror is 10 cm

Answer 2

Answer:

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