A slide projector is designed with its lens 6.0 m from the screen. The projected image is 1.5 m square of a slide object 2.5 cm square.
(a) What is the object distance from the lens?
(b) What should be the lens focal length?
(c) What is the lens POWER?

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The Answer of A slide projector is designed with its lens 6.0 m from the screen. The projected image is 1.5 m square of a slide object 2.5 cm square.
(a) What is the object distance from the lens?
(b) What should be the lens focal length?
(c) What is the lens POWER?

A Slide Projector Is Designed with Its Lens 6