Q:

What is a concave lens? One that

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What is a concave lens? One that


  1. can accommodate to different focal lengths.
  2. will cause light rays to converge.
  3. is thicker in the middle than at the edge.
  4. will correct for myopia (short sightedness).

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D: Concave lens will cause light rays to diverge. So can be used to correct for short-sightedness as they shift the focal point further away from the eye’s lens.

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