A simple magnifier of refractive power 15.0 D is used to observe a beetle on a student's desk. Assume that the magnifier is held close to the student's eye. If the image of the beetle is formed at her near point of 25 cm, how far is the beetle from the magnifier?
A) 50 cm
B) 9.1 cm
C) 4.2 cm
D) 5.3 cm

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The Answer of A simple magnifier of refractive power 15.0 D is used to observe a beetle on a student's desk. Assume that the magnifier is held close to the student's eye. If the image of the beetle is formed at her near point of 25 cm, how far is the beetle from the magnifier?
A) 50 cm
B) 9.1 cm
C) 4.2 cm
D) 5.3 cm

A Simple Magnifier of Refractive Power 15