a concave mirror gives a real image magnified 4 times .when the objects id moved 3 cm the magnification of the real image is 3 times .find the focal length of mirror?

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Vikas TU · Answer

Dear student Magnification = -v/u -v/u = -3 v = 3u 1/f = 1/v + 1/u 1/(-3) = (3+1)/3u 3u/4 = -3 3u = -12 u = -4 v = 3u = -12 cm

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a concave mirror gives a real image magnified 4 times .when the objects id moved 3 cm the magnification of the real image is 3 times .find the focal length of mirror?

a concave mirror gives a real image magnified 4 times .when the objects id moved 3 cm the magnification of the real image is 3 times .find the focal length of mirror?

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a concave mirror gives a real image magnified 4 times .when the objects id moved 3 cm the magnification of the real image is 3 times .find the focal length of mirror?

a concave mirror gives a real image magnified 4 times .when the objects id moved 3 cm the magnification of the real image is 3 times .find the focal length of mirror?

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