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If the focal length is 150 cm for a glas...

If the focal length is 150 cm for a glass lens, what is the power of the lens?

Text Solution

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Give: forcal length, f = 150 cm (or) f = 1.5 m
Equation for power of lens is ,`P = (1)/(f)`
`P = (1)/(1.5) = 0.67` diopter
As the power is positive, it is a converging lens.
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