an object is placed perpendicular to the principal axis of a concave mirror 80.1 search the image formed is real with a magnification s the object is now Swift to another the position as the distance 15 cm from the position 1 and a real images obtained with a magnification 8 shifted the position of object from 2 to the third position 3 gives an image with magnification One by Two at this position now the object is kept with its length along the principal Axis search the point called position 3 lies in the middle of its length and the resistance welding image it has a numerical value of magnification M position one of the object is between centre of curvature and yes focus and centre of curvature pole and focus pole and centre of curvature.
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magnificent 5.7
ok that is the answer
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