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A doctor has prescribed a corrective …

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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.

Posted by Freddy Mon 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Arjit Katiyar 4 years, 1 month ago

Given P = +1.5 D Find out We need to find out the focal length of the given lens Solution We know that f = 1/P Where, f is the focal length P is power f = 1/P = 1/+1.5 = 0.67 m. As the power of the lens is (+ve), the lens is converging

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CBSE > Class 10 > Science