Problem: A slide projector needs to create a 98-cm-high image of a 2.0-cm-tall slide. The screen is 300 cm from the slide.Part A: What focal length does the lens need? Assume that it is a thin lens.Part B: How far should you place the lens from the slide?

FREE Expert Solution

Lens equation:

1f=1so+1si

Magnification:

m=hiho=-siso

(a)

hi = 98 cm

ho = 2.0 cm

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Problem Details

A slide projector needs to create a 98-cm-high image of a 2.0-cm-tall slide. The screen is 300 cm from the slide.

Part A: What focal length does the lens need? Assume that it is a thin lens.
Part B: How far should you place the lens from the slide?

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