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CBSE Class 10 Answered

a convex mirror forms an image of size of 1/3rd the size of the object placed at 20cm in front of it.calculate the focal length. give reasons,using the mirror formula that it forms a virtual image.
Asked by | 11 Dec, 2011, 09:42: AM
Expert Answer
Answered by | 12 Dec, 2011, 02:43: AM
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