Question

The focal length of a convex mirror is given as $2$ cm. Find the radius of curvature,$R$, of the mirror?

• A. $1.0cm$
• B. $2.0cm$
• C. $4.0cm$
• D. $8.0cm$

Answer 1

The correct option is C $4.0cm$

The radius of curvature is equal to 4 cm i.e two times focal length