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A Diverging Lens Has Focal Length of 3 Cm. Calculate the Power. - CBSE Class 10 - Science

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Question

A diverging lens has focal length of 3 cm. Calculate the power. 

Solution

Power of a lens is given by: 

Power `(P) =1/f` 

∴`p=1/(3xx10^-2)=100/3=33.33`D (appx)

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Solution A Diverging Lens Has Focal Length of 3 Cm. Calculate the Power. Concept: Refraction at Spherical Surfaces and by Lenses - Power of a Lens.
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