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Maths
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Maths

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Questions and Answers

What does rectilinear propagation of light refer to?

  • The tendency of light to move in a curved path
  • The tendency of light to travel in straight lines in a uniform, transparent medium (correct)
  • The tendency of light to travel at varying speeds in different media
  • The tendency of light to bend when it moves from one medium to another

    • Which of the following is an example of rectilinear propagation of light?

  • Beams of light in car headlights that appear to travel in straight lines (correct)
  • Reflection of light off a curved mirror
  • Refraction of light through a prism
  • Scattering of light by a rough surface

    • What happens when the path of light is blocked by an opaque object?

  • It bends the light beams around the object
  • It reflects the light back in the opposite direction
  • It causes the light beams to scatter in all directions
  • It prevents the light beams from passing through, producing shadows (correct)

    • At what speed do light rays travel in a straight line?

    <p>Nearly 300,000 kilometres per second</p> Signup and view all the answers

    Study Notes

    Rectilinear Propagation of Light

    • Rectilinear propagation of light refers to the phenomenon where light rays travel in a straight line.

    Examples of Rectilinear Propagation of Light

    • An example of rectilinear propagation of light is when light travels from a lamp to a wall.

    Obstruction of Light

    • When the path of light is blocked by an opaque object, the light is obstructed and cannot pass through.

    Speed of Light

    • Light rays travel at a speed of approximately 299,792,458 meters per second in a straight line.

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