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

ConceptRefraction at Spherical Surfaces and by Lenses Power of a Lens

#### 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

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#### APPEARS IN

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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