Physics, asked by atchyutarao, 1 year ago

When an object is placed at a distance of 25cm from a mirror, the magnification is m1 and when the object is moved 15cm farther away with respect to the earlier position and the magnification becomes m2. m1/m2=4,then the focal length of the mirror is————————— and which mirror is it

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Answered by Adi470

2

the focal length is 20 cm and it is convex mirror

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