Question

THE FAR POINT DISTANCE OF OF A SHORT SIGHTED PERSON IS 1.5 M , FIND THE FOCAL LENGTH , POWER AND NATURE OF TH LENSES NEEDED

Answer 1

Focal length = -d

                     = -1.5m

Power = 1/-1.5

            = -0.6666

I think The nature of lenses is concave.



Hope this helps!

Answer 2

Focal length = -d
= -1.5m
Power = 1/-1.5
= -0.6666
The nature of lenses is concave.
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