Physics, asked by akshaya9401, 8 months ago

what is principle focus

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Answered by ankita5786

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Answered by lakshmi05051978

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in geometrical optics of focus also called an image. Is the point where light rays originating from the point on the object convert all the the focus is content liya. Physically the focus is a Spanish your exam called principal focus

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what is principle focus​

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what is principle focus