Question

a doctor has prescribed a correction lens of power + 2.5 D find the focal length of the lens is the prescribed lens diverging or converging​

Answer 1

Answer:

Power of lens p=+1.5D

p= 1/f

1.5= 1/f

f= 1/1.5 m

f= 10/15 m

f=2/3 m=0.67m

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