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How the focal length of a convex lens of glass affected if i) lens is placed in water ii) lens is placed in a liquid of larger refractive index than glass iii) lens becomes thicker at middle |
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Answer» How the focal length of a convex lens of glass affected if i) lens is placed in water ii) lens is placed in a liquid of larger refractive index than glass iii) lens becomes thicker at middle |
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