A person with a near point of 90 cm needs to read from a, Ask an Expert

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A person with a near point of 90 cm needs to read from a computer screen that is 40 cm from her eye.

(a) Find the focal length of the lenses in reading glasses that will produce an image of the screen at 90 cm from her eye.

= cm

(b) What is the power of the lenses?

= diopeters

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Category:- Physics
Reference No.:- M9900042

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