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when an object is placed at a distance of 19cm from a concave mirror real magnified image is formed but when same object is placed at 21 cm from the mirror then a real diminished image is formed what will be the focal length of the mirror?? ​

Answer» <html><body><p>diminished , <a href="https://interviewquestions.tuteehub.com/tag/inverted-2133128" style="font-weight:bold;" target="_blank" title="Click to know more about INVERTED">INVERTED</a> and real image is formed when object is <a href="https://interviewquestions.tuteehub.com/tag/placed-591674" style="font-weight:bold;" target="_blank" title="Click to know more about PLACED">PLACED</a> at infinite <a href="https://interviewquestions.tuteehub.com/tag/distance-116" style="font-weight:bold;" target="_blank" title="Click to know more about DISTANCE">DISTANCE</a> from <a href="https://interviewquestions.tuteehub.com/tag/mirror-1098189" style="font-weight:bold;" target="_blank" title="Click to know more about MIRROR">MIRROR</a>.</p></body></html>


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