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

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Question

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

Numerical

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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Chapter 5: Refraction of Light - Exercise 7 [Page 261]

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Lakhmir Singh Physics (Science) [English] Class 10
Chapter 5 Refraction of Light
Exercise 7 | Q 13 | Page 261
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