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A doctor has prescribed a corrective lens
power +1.5 D to a patient. Find the focal length of the lens in centimetre. Is the prescribed lens diverging or converging?
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focal length = 1/power
=1/1.5 = 0.6667 m
=66.67 cm
this lens is converging.
=1/1.5 = 0.6667 m
=66.67 cm
this lens is converging.
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