Part A A dentist uses a curved mirror to view the back side of teeth in the upper jaw. Suppose she wants an upright image with a magnification of 1.5 when the mirror is 1.9 cm from a tooth. Should she use a convex or a concave mirror? O She should use a convex mirror. O She should use a concave mirror. Submit Previous Answers v Correct Part B What focal length should it have? Express your answer to two significant figures and include the appropriate units.

Part A A dentist uses a curved mirror to view the back side of teeth in the upper jaw. Suppose she wants an upright image with a magnification of 1.5 when the mirror is 1.9 cm from a tooth. Should she use a convex or a concave mirror? O She should use a convex mirror. O She should use a concave mirror. Submit Previous Answers v Correct Part B What focal length should it have? Express your answer to two significant figures and include the appropriate units.