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प्रश्न
A student has difficulty reading the blackboard while sitting in the last row. What could be the defect the child is suffering from? How can it be corrected?
टीपा लिहा
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उत्तर
A student has difficulty in reading the blackboard while sitting in the last row. It shows that he is unable to see distant objects clearly. He is suffering from myopia. This defect can be corrected by using a concave lens.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
