Physics, asked by yaxajat125, 8 months ago

Two lenses have powers -5D and +3D. Nature and focal length of their combination lens is?

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Answered by raotd

Answer:

Two lenses have power of (i) + 2D (ii) - 4D. What is the nature and focal length of each lens? Given, two lenses. Since, the focal length is positive, the lens is convex.

Explanation:

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