a convex lens has a focal length of 10cm. If u is is object distance, then image distance is given by
1) u/u - 10
2) 10/u - 10
3) 10u/u - 10
4) u - 10/10u
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Explanation:
Therefore, the object distance is 20 cm. The value of the object distance is twice that of the focal length of the convex lens
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