Dentists often use concave mirrors to see better.In order for the mirror to produce an enlarged image of a tooth,the tooth must be placed
A)at the focal point of the mirror.
B)further than the focal point of the mirror.
C)closer than the focal point of the mirror.
D)at any distance.
E)Concave mirrors cannot produce an enlarged image.

Question

Quizplus · Accepted Answer

When an object is placed closer than the focal point of a concave mirror, an enlarged virtual image is formed behind the mirror. Therefore, the tooth must be placed closer than the focal point of the mirror to produce an enlarged image.

Dentists Often Use Concave Mirrors to See Better