Thin Lens And Lens Maker Equations Video Lessons

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Problem: The magnification of a simple magnifier is increased ifA. the focal length of the lens is increased.B. the focal length of the lens is decreased.C. the diameter of the lens is increased.D. the diameter of the lens is decreased.

FREE Expert Solution

In a simple magnifier, the magnification is achieved by placing the object closer to the eye than the eye could normally focus. 

The standard close distance of focus is always taken as 25 cm.

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Problem Details

The magnification of a simple magnifier is increased if

A. the focal length of the lens is increased.

B. the focal length of the lens is decreased.

C. the diameter of the lens is increased.

D. the diameter of the lens is decreased.

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