Physics, asked by nadhanasrin4669, 9 months ago

An object is placed at 20c cm from the pole of a concave mirror. It forms real image at a distance of 60 cm from the pole. Find the focal length of the concave mirror? a. 15 cm b. 7.5 cm c. 1.5 cm d. 15 m square

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Answered by tejastorke

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this the the answer.....

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