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(a) What is myopia?(b) What are the causes of myopia?(c) Draw three labelled ray-diagrams to show the defect of vision called myopia and how it is corrected by the use of lenses.(d) The far point of a myopic person is 80 cm in front of the eye. What is the nature and power of the lens required to correct the defect? |
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Answer» (a) What is myopia? (b) What are the causes of myopia? (c) Draw three labelled ray-diagrams to show the defect of vision called myopia and how it is corrected by the use of lenses. (d) The far point of a myopic person is 80 cm in front of the eye. What is the nature and power of the lens required to correct the defect? |
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