Question

Find the focal length of a concave mirror of radius of curvature 1m

Answer 1

Given,

Radius of curvature =1m

We know that focal length is equal to half of radius of curvature.

$The \: focal \: length = \frac{1}{2} m \\ \\ = > The \: focal \: length = \frac{100}{2} cm = 50cm$