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6 questions
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  • Q1
    When a wave crosses a boundary and changes direction, this is called ______.
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    30s
  • Q2
    Which diagram shows the ray moving from air into glass and bending in the correct direction?
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    30s
  • Q3
    Which diagram shows the ray moving from glass into air and bending in the correct direction?
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    30s
  • Q4
    In a ray diagram, a normal line is often drawn. Which of the following statements about the normal are correct?
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    30s
  • Q5
    Which of the following statements about the apple shown is correct?
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    The apple refracts light.
    Light travelling from the apple in one direction all comes from one point.
    Light coming from a point on the apple always travels in a single direction.
    The apple reflects light.
    30s
  • Q6
    Which of the following ray diagrams is correct?
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    30s

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