A spherical mirror forms a real image three times as big as the object of the focal length of the mirror is 15cm calculate the distance of image from the mirror is the mirror concave or convex
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Explanation:
The distance of image from the mirror =-60cm
Mirror is concave.
Image is real then magnification =-3 and f=-15cm
m=-v/u from this we will get v=3u
Then use mirror formula you will get.
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