we wish to obtain an erect image of an object using a concave mirror of focal length 15th cm. what should be the range of distance of the object from the mirror? what is the nature of the image? Is the image larger or smaller than the object? Draw a ray diagram to show the image formation in this case.
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Object distance should be less than the focal length for the formation of an erect image. Hence, the range of distance of object from the mirror should be less than 15 cm i.e. from 0 to 15 cm in the front of mirror from the pole. The nature of image so formed will be virtual and erect.
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