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? What is the nature of the image? Is the image larger or smaller than the object?
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the mirror should be less than 15cm
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if we have to form a erect image on concave mirror then we have to put the object between focus and pole. so we have to the object in less than 15 cm from the mirror and it's nature is virtual and erect . the image is larger than object
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