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Find the focal length of a mirror if the object is placed 40 cm from the pole of the mirror and the image is formed at a distance of 20 cm from the pole on the other side of the mirror. Apply sign convention and also determine the nature of the mirror.

Answer» Find the focal length of a mirror if the object is placed 40 cm from the pole of the mirror and the image is formed at a distance of 20 cm from the pole on the other side of the mirror. Apply sign convention and also determine the nature of the mirror.


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