The Focal Length of a Lens is +150 Mm. What Kind of Lens is It and What is Its Power? - CBSE Class 10 - Science
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The focal length of a lens is +150 mm. What kind of lens is it and what is its power?
Power of a lens is given by:
Power (P) `=1/f`
Since the power is positive, the lens is convex in nature.
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Solution The Focal Length of a Lens is +150 Mm. What Kind of Lens is It and What is Its Power? Concept: Refraction at Spherical Surfaces and by Lenses - Power of a Lens.