# A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of the lens. Is the prescribed lens diverging or converging?

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A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of the lens. Is the prescribed lens diverging or converging?

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Power of lens, P = $\frac{1}{f}$

P = 1.5 D

f = $\frac{1}{1.5}$ = $\frac{10}{15}$ = 0.66m

This is converging lens means convex lens.