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The Human Eye and Colourful World
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27/08/2021 12:45 pm
Topic starter
Your friend can read a book perfectly well but cannot read the writing on blackboard unless she sits on the front row in class.
(a) Is she short-sighted or long-sighted?
(b) What type of lenses-converging or diverging-would an optician prescribe for her?
1 Answer
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27/08/2021 12:46 pm
(a) Short-sighted
(b) Diverging lenses