A 12 cm B 15 cm C 18 cm A dentist uses a small mirror that

Last updated: 6/8/2023

A 12 cm B 15 cm C 18 cm A dentist uses a small mirror that gives a magnification of 4 when it is held 0 60 cm from a tooth The radius of curvature of the mirror is A 0 96 cm convex B 0 8 cm concave C 0 96 cm concave D 0 8 cm convex 20 cm If a point of object is placed at a distance