Find the distance between the slide and the screen

Reference no: EM13519007

A standard 35mm slide measures 24mm by 36mm. Suppose aslide projector produces a 60cm by 90cm image of the slide on ascreen. The focal length of the lens is 12cm.

a. What is the distance between the slide and thescreen?

b. If the screen is moved farther from the projector shouldthe lens be moved closer to the slide or farther away?

Reference no: EM13519007

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