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Focal Length of a Lens
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The value of the focal length of the lens is equal to the value of the image distance when rays are (A) Passing through optical center(B) Parallel to the principal axis.(C) Passing
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To find the focal length of a convex lens by plotting graphs between u and v
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Focal length, explained by RP; focal distance, dioptric power, curved mirror, lens equation, microscope, photographic objective, focus, beam radius
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