The focal length of a convex mirror is 40 cm.a point source of light is kept at the distance of 40 cm from the mirror.find the distance of image from the mirror
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Explanation:
V=uf/u-f
=(-40)*40/(-40)-40
=-1600/-80
=20
So image will form at 20cm inside convex mirror.The image is virtual and upright.
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