Question 141: Ray Optics

Question

The focal length f is related to the radius of curvature r of the spherical convex mirror by :

Accepted Answer

For convex mirror, the focal length (f) and radius of curvature (r) are related as $f =  + {r \over 2}$.

Answer

f = r

Answer

f = $-$ r

Answer

f = +${{1 \over 2}}$ r

Answer

f = $-$${{1 \over 2}}$ r

Ray Optics