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Reflection of Light

  • Light travels only in a straight line in all directions.
  • This phenomenon is called the rectilinear propagation of light.
  • Light emanating from a source (bulb) travels in all directions.
  • The formation of image in a pinhole camera is a proof of rectilinear propagation of light.
  • Medium Speed of light (in m/s)
    Air/ Vacuum 3×108
    Water 2.25×108

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