Which relationship between the focal length and the radius of curvature of a…

PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

Which relationship between the focal length

f

and the radius of curvature

R

of a spherical mirror is correct? (a)

R = \dfrac{f}{2}

(b)

R = -2f

(c)

R = 2f

(d)

R = f