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in Physics by (61.1k points)

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.

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