Suppose your 50.0 mm-focal length camera lens is 51.0 mm away from the film in the camera.
(a) How far away is an object that is in focus?
(b) What is the height of the object if its image is 2.00 cm high?
Suppose your 50.0 mm-focal length camera lens is 51.0 mm away from the film in the camera.
(a) How far away is an object that is in focus?
(b) What is the height of the object if its image is 2.00 cm high?