we wish to obtain an erect image of an object,using a concave mirror of focal length 15cm.what should be the range of distance of the object from the mirror?

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Solution

A concave mirror forms virtual and erect image only when the object is placed between the pole and the focus of the mirror. So, the range will be 0 to 15 cm. The erect and magnified image will be formed on the other side of the mirror.

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