A 5.0 cm focal length lens is used as a magnifier.Assuming a near point of 25 cm,about what magnification is attained?
A) 25
B) 10
C) 60
D) 1.2
E) no value given is within 2 of an appropriate answer

Question

Quizplus · Accepted Answer

Magnification can be calculated using the formula M = (25 cm)/(25 cm - f), where f is the focal length of the lens. Substituting the given values, we get M = (25 cm)/(25 cm - 5 cm) = 60. Therefore, the magnification attained is 60.

A 50 Cm Focal Length Lens Is Used as a Magnifier