A doctor examines a mole with a 15.5 cm focal length magnifying glass held 12.0 cm from the mole.
(a) Where is the image? (Enter the image distance in meters. Include the sign of the value in your answer.)
(b) What is its magnification?
(c) How big in millimeters is the image of a 5.20 mm diameter mole?
Q2: At what angle in degrees is the first-order maximum for 460-nm wavelength blue light falling on double slits separated by 0.0450 mm?