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Which of the following observations cannot be explained using the rectilinear propagation of light?

Physics
WAEC 2006

Which of the following observations cannot be explained using the rectilinear propagation of light?

  • A. production of images by a pinhole camera
  • B. production of real images of objects by lenses
  • C. formation of an annular eclipse
  • D. diffraction patterns of light
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Correct Answer: Option D
Explanation

The rectilinear propagation of light refers to the principle that light travels in straight lines. This principle explains the production of images by a pinhole camera and the production of real images of objects by lenses. However, it does not explain the formation of diffraction patterns of light. Diffraction is a wave property of light that involves the bending of light waves around obstacles or the spreading of light waves after they pass through a small opening. This phenomenon cannot be explained by the rectilinear propagation of light


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