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The Human Eye and Colourful World
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03/12/2020 6:31 pm
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A student sitting at the back of the classroom cannot read clearly the letters written on the blackboard. What advice will a doctor give to her? Draw ray diagram for the correction of this defect.
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03/12/2020 6:32 pm
The student is suffering from short-sightedness. Doctor will advise to her to wear a concave lens having suitable power for correcting the vision.