Question

While examining the cavities, a dentist needs to see the virtual and magnified image of the teeth. If the dentist uses a concave mirror, what should be the position of the teeth with respect to the mirror?

• A. At the centre of curvature of the mirror
• B. Between the pole and focus of the mirror
• C. Between the centre of curvature and focus of the mirror
• D. Beyond the centre of curvature

Answer 1

The correct option is B Between the pole and focus of the mirror

While examining cavities, the dentist needs to see magnified and virtual images of the cavities. Concave mirror produces a magnified image when the object is placed between its pole and focus.