Question 4
A student has difficulty in reading the blackboard while sitting in the last row. What could be the defect the child is suffering from? How can it be corrected?

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Solution

The student is suffering from myopia or short-sightedness. The defect can be corrected by the use of concave (diverging) lens of an appropriate power.

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Question 4 A student has difficulty in reading the blackboard while sitting in the last row. What could be the defect the child is suffering from? How can it be corrected?

The student is suffering from myopia or short-sightedness. The defect can be corrected by the use of concave (diverging) lens of an appropriate power.

Question 4
A student has difficulty in reading the blackboard while sitting in the last row. What could be the defect the child is suffering from? How can it be corrected?