The magnification produced by a plane mirror is +1. What does it mean?
An object is placed at a distance of 10 cm from a convex mirror of focal
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Magnification is the ratio of the size of the image (h') to the size of the object(h). For a plane mirror, m = + 1 (given). Magnification is equal to one indicates that the size of image is same as that of object. ... A concave lens of focal length 15 cm forms an image 10 cm from the lens.
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