A slides projector has a lens with a focal length of 15cm. If the slide is 5cm x 5cm in size and should appear when proj

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answerhappygod
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A slides projector has a lens with a focal length of 15cm. If the slide is 5cm x 5cm in size and should appear when proj

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A slides projector has a lens with a focal length of 15cm. If the slide is 5cm x 5cm in size and should appear when projected with a size of 1m x 1m. Calculate at what distance from the lens the screen should be placed.
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