The radius of curvature of a concave mirror is 40 cm. Find position of an object in front of the mirror, so that its real image is two times the size of the object. Please answer fasrer
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I when the radius of curvature of a concave mirror is 40 cm then the position of the object in front of the mirror will be equal to the image obtained on the left hand side of the mirror so that its real image is two times the size of the object
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