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It is desired to project the image of an object five times it's actual size using a lens of focal length 30 cm how far from the lens should the object be placed
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It is desired to project the image of an object five times it's actual size using a lens of focal length 30 cm how far from the lens should the object be placed

User Benmmurphy
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7 votes

Answer:

focal length have radian.. sjsbxhxnxnsb

User Daniel Myers
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