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Worksheet: Concave Lenses

Q1:

Which of the points A, B, C, and D shown in the diagram is closest to the focal point of the concave lens?

  • AC
  • BA
  • CD
  • DB

Q2:

Which of the following diagrams correctly shows the paths of light rays exiting a concave lens if the light rays enter the lens parallel to the axis of the lens?

  • AC
  • BB
  • CD
  • DA
  • EE

Q3:

At which of the points A, B, C, and D shown in the diagram is the angle of refraction greatest?

  • AC
  • BB
  • CD
  • DA

Q4:

Light rays converging to a point are incident on a concave lens, as shown in the diagram. Which of the other diagrams (A), (B), (C), (D), most correctly shows the directions of the rays that exit the lens?