In: Physics
A doctor examines a mole with a 16.5 cm focal length magnifying glass held 14.0 cm from the mole.
(a) Where is the image? (Enter the image distance in meters. Include the sign of the value in your answer.) m
(b) What is its magnification?
(c) How big in millimeters is the image of a 4.60 mm diameter mole? mm
In the given problem As magnifying lens Convex lens is used usally.
a)Distance of Image can be find using below formula
b)Magnification can be find by the following formula
positive Image is Upright
neagtive Image is inverted
c)Size of image of mole can be find using below formula