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What is the Power of a Convex Lens of Focal Length 0.5 M? - Science

What is the power of a convex lens of focal length 0.5 m?

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Solution

​​Power of a lens is given by: 
Power `(p)=1/f` 

∴`p=1/0.5=2D`

Concept: Refraction at Spherical Surfaces and by Lenses - Power of a Lens
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Chapter 5: Refraction of Light [Page 261]
Q 10
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Lakhmir Singh Class 10 Physics (Science)
Chapter 5 Refraction of Light
Q 10 | Page 261
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