Question

Dentists use concave mirror to view teeth inside patient's mouth.Why? Represent using a ray diagram.Why not a convex mirror is used?

Answer 1

because when object is place at focus of the concave mirror then it forms virtual and magnified image due to this doctors can see large image of the teeth of patient's mouth

Answer 2

Concave mirrors are used by dentists because at a short range (object distances less than the focal length) they produce magnified, upright images. It is useful to have a magnified image of a tooth when you're looking for or repairing cavities, cracks, or other abnormalities. ... The flash light mirror of camera.