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Physics · Oct / Nov 2017 · Paper 11 · Question 21

5054Thin lenses

What is the name and shape of the lens used to correct short sight?

  1. Aconverging; shape of lens: concave (thin in middle)
  2. Bconverging; shape of lens: convex (thick in middle)
  3. Cdiverging; shape of lens: concave (thin in middle)
  4. Ddiverging; shape of lens: convex (thick in middle)

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Correct answer: C. diverging; shape of lens: concave (thin in middle)

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