Science, asked by paulsushant38, 3 months ago

power of a lens +3d. what is the nature and focal length of the lens

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Answered by ramarikhari79

Answer:Complete step by step answer:

For a convex lens, the focal length is positive and for a concave lens, the focal length is negative. Since, the focal length is +50cm, the combination lens is of convex nature.

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power of a lens +3d. what is the nature and focal length of the lens​

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power of a lens +3d. what is the nature and focal length of the lens