What is the refractive power of a magnifying glass

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Reference no: EM13332444

A stamp collector is viewing a stamp with 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 7.9 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 50 cm from the eye?

Reference no: EM13332444

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