The focal length of a magnifying glass is 15 cm. If the near point of a person is 25 cm, what is the magnification of this glass for this person when his eyes are focused at infinity?
A) 1.7
B) 2.7
C) 3.7
D) 4.7
E) 5.7

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The Answer of The focal length of a magnifying glass is 15 cm. If the near point of a person is 25 cm, what is the magnification of this glass for this person when his eyes are focused at infinity?
A) 1.7
B) 2.7
C) 3.7
D) 4.7
E) 5.7

The Focal Length of a Magnifying Glass Is 15 Cm