A slide projector has a lens whose focal length is 15 cm. If the slider is 5cm x 5cm in size and should appear when projected at a size of 1m x 1m. Calculate how far from the lens the screen should be placed. Show all calculations.
A slide projector has a lens whose focal length is 15 cm. If the slider is 5cm x 5cm in size and should appear when projected at a size of 1m x 1m. Calculate how far from the lens the screen should be placed. Show all calculations.
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A slide projector has a lens whose focal length is 15 cm. If the slider is 5cm x 5cm in size and should appear when projected at a size of 1m x 1m. Calculate how far from the lens the screen should be placed. Show all calculations.
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