A point light source is kept in front of a convex mirror at a distance of 40 CM the focal length of mirror is 40 CM find position of image
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distance of 40 CM the focal length of mirror is 40
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When an object of height 1 cm is kept at a distan 4 cm from a concave mirror, its e height 1-5 cm is formed at a distance 6 cm be the mirror. Find the focal length of mirror erect image of Ans. 12 cm.
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