Question
A converging lens (f = 12.6 cm) is held 8.55 cm in front of a newspaper, the print size of which has a height of 2.10 mm.
(a) Find the image distance (in cm),
(b) The height (in mm) of the magnified print.
(a) Find the image distance (in cm),
(b) The height (in mm) of the magnified print.
Answers
drwls
(a) Use 1/do + 1/di = 1/f
with f = 12.6 and do = 8.55
Solve for di (image distance)
(b) Image height = 2.1 mm * di/do
with f = 12.6 and do = 8.55
Solve for di (image distance)
(b) Image height = 2.1 mm * di/do