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The Human Eye and Colourful World
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28/08/2021 7:19 pm
Topic starter
In a certain murder investigation, it was important to discover whether the victim was long-sighted or short-sighted. How could a detective decide by examining his spectacles?
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28/08/2021 7:24 pm
If the spectacle lenses are convex, the person was long sighted and if the spectacle lenses are concave, the person was short sighted.