A Slide Projector Is Set Up with Its Lens 6

question 104

Short Answer

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?

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A mathematical equation of the form ax^2 + bx + c = 0, where x represents an unknown variable, and a, b, and c are constants with a ≠ 0.