How Unit of Power Related to Focal Length of a Lens? - CBSE Class 10 - Science
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How unit of power related to focal length of a lens?
Power is expressed as inverse of focal length, f (in metres).
`"Power (in Diopters) ="1/"Focal length (in metres)"`
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Solution How Unit of Power Related to Focal Length of a Lens? Concept: Refraction at Spherical Surfaces and by Lenses - Power of a Lens.