A slide projector is set up with its lens 6.0 m from the screen. The projected image on the
screen is 1.5 m square for a slide (the object) that is 2.5 cm square.
(a) How far is the slide from the lens?
(b) What is the focal length of the projector lens?

Question

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The Answer of A slide projector is set up with its lens 6.0 m from the screen. The projected image on the
screen is 1.5 m square for a slide (the object) that is 2.5 cm square.
(a) How far is the slide from the lens?
(b) What is the focal length of the projector lens?

A Slide Projector Is Set Up with Its Lens 6