What is the refractive power of a magnifying glass

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A stamp collector is viewing a stamp by a magnifying glass held next to her eye. Her near point is 25 cm from her eye.(a) What is the refractive power of a magnifying glass that has an angular magnification of 5.2 when the image of the stamp is located at the near point? (b) What is the angular magnification when the image of the stamp is 41 cm from the eye?

Reference no: EM13664233

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