What is a focal plane, and how does it differ in concave and convex mirrors respectively? - Quora
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Displacement Method for finding Focal Length of Convex Lens Class 12Optics @Kamaldheeriya Maths easy - YouTube
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Conduct an experiment to find out the focal length of the lens. - Spark Educational Academy
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To find the focal length of a convex lens by plotting graphs between u and v
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