Physics, asked by Anonymous, 7 months ago

A beam of light converges at a point P. Now a lens is placed in the path of the convergent beam 18.65cm from P. At what point does the beam converge if the lens is (a) a convex lens of focal length 22.3cm, and (b) a concave lens of focal length 11.2cm?

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Answered by ghoshsujata899

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