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Balu observes that a 14 - year old student is not able to see clearly the questions written on the blackboard placed at a distance of 5 m from him. Few questions came to his mind. Give answers to the below questions:1. Name the defect of vision he is suffering from.(i) Myopia(ii) Hypermetropia2. Name the type of lens used to correct this defect.(i) Convex Lens(ii) Concave Lens3. What is the other name of myopia?(i) Long-sightedness(ii) Short-sightedness |
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Answer» 1. (i) Myopia 2. (ii) Concave Lens 3. (ii) Short sightedness |
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