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You are choosing a projection lens in a home movie setting. Your intention is to magnify the film 135 times before you p

Posted: Mon May 02, 2022 8:59 pm
by answerhappygod
You are choosing a projection lens in a home movie setting. Your
intention is to magnify the film 135 times before you project the
movie on a screen 4.05 m from the projection lens, to ensure the
picture formed is large enough to please the family watching.
(a) What distance must be the film placed from the lens?
(b) What is the focal length of the projection lens?