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Published on: 24/04/2023 by SR

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Categories Syllabus

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1 Focal Length and Its Formula
2 Focal Length Formula : Mirror & Lens
- 2.1 Focal Length Formula For a thin lens:
- 2.2 Focal Length Formula For a spherical mirror:
3 MCQ on Focal Length and Its Formula
- 3.1 The Focal length of a convex lens is 20 cm. The minimum distance between an object and its real image formed by the lens is : _____ . (OSSTET 2022 1st)