A lens has a focal length of 40 mm magnifier an object
A lens has a focal length of 40 mm magnifier. An object viewed with the magnifier is 5.3 mm tall and at the focal point. The magnifier has a near point of 25 cm. What is the angular magnification of the magnifier?
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A lens has a focal length of 40 mm magnifier. An object viewed with the magnifier is 5.3 mm tall, What is the angular magnification of the magnifier
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