Concave, Convex and Plane mirrors

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7 Terms

1
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What is the law of reflection

  • The law of reflection states that the angle of reflection is always equal to the angle of incidence
  • The incident ray, normal, and reflected ray all line on the same plane
2
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What are the characteristics of an image?

  1. Size: Larger, Smaller, the same?
  2. Attitude: Upright or Upside down?
  3. Location: Is the image in front of or behind the object
  4. Type: Real or Virtual?
3
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How can you tell if an image is real or virtual

  • Real: The image and rays meet before the mirror
  • Virtual: The image and rays meet behind the image
4
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How can you tell if an image is upside down or upright?

  • Upright: An upright image means the light rays meet before the mirror
  • Upside down: Means the rays meet behind the mirror
5
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What are the focal point and the focal length?

Focal Point: the point where light rays meet

Focal Length: The distance from the vertex to the focal point

6
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Define these terms: Vertex, Principle axis, d0, di, ho, hi

  • Vertex: Middle point of the mirror
  • Principle Axis: Imaginary line drawn through the vertex
  • do: Distance between the object and the vertex
  • di: Distance between the vertex and the image
  • ho: Height of the object
  • hi: Height of the image
7
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How do you calculate magnification?

M = di/ do