A dentist uses a mirror to examine a tooth that is 1.00 cm in front of the mirror. The image of the tooth is formed 14.0 cm behind the mirror. (a) Determine the mirror's radius of curvature. cm (b) Determine the magnification of the image. 22. [-19 Points] DETAILS SERCP11 23.5.P.030. MY NOTES ASK YOUR TEACHER A thin plastic lens with index of refraction n = 1.64 has radii of curvature given by R = -11.5 cm and R = 45.0 cm. HINT (a) Determine the focal length in cm of the lens. cm (b) Determine whether the lens is converging or diverging. converging diverging Determine the image distances in cm for object distances of infinity, 4.00 cm, and 40.0 cm. (c) infinity cm (d) 4.00 cm cm (e) 40.0 cm cm