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What is the Power of a Convex Lens Lens Whose Focal Length is 80 Cm? - CBSE Class 10 - Science

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Question

What is the power of a convex lens lens whose focal length is 80 cm? 

Solution

Power of a lens is given by: 

Power (P) `=1/f` 

∴ `p=1/(80xx10^2)=100/80=1.25 D`

  Is there an error in this question or solution?

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Solution What is the Power of a Convex Lens Lens Whose Focal Length is 80 Cm? Concept: Refraction at Spherical Surfaces and by Lenses - Power of a Lens.
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