A student. is unable to see clearly the words written on the blackboard placed at a distance of approximately 4 m from him. Name the defect of vision the boy is suffering from. Explain the method of correcting this defect. Draw ray diagram for the:; (i) Defect of vision and also; (ii) For its correction.(Delhi - 2015)
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Explanation:
Since the student is not able to see distinctly the words written on the blackboard which is at a distance of approximately 4m from him, the student is suffering from myopia or near sightedness. A myopic eye has its far point nearer than infinity. It forms the image of a distant object in front of its retina.
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