Question

at what distance from a concave mirror of a focal length 15 cm should an object be placed so that the image will be the equal size of the object ​

Answer 1

Answer:

refer the attachment mate

Answer 2

Answer:

Since radius of the mirror is twice the focal length, center of curvature lies at a distance of 30 cm from the pole. Hence, an object kept at 30 cm will produce an image of the same size as that of the object.

Explanation:

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