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54. Hold a screen in front of a convex lens and adjust it to get a sharp and bright imageof a distant object, then the distance between the optic centre and the image givesA. Refractive indexB. Focal lengthC. Radius of curvatureD. Object distance​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>the answer is <a href="https://interviewquestions.tuteehub.com/tag/object-11416" style="font-weight:bold;" target="_blank" title="Click to know more about OBJECT">OBJECT</a> <a href="https://interviewquestions.tuteehub.com/tag/distance-116" style="font-weight:bold;" target="_blank" title="Click to know more about DISTANCE">DISTANCE</a></p></body></html>


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