Wave Nature of Light MCQ 2
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Questions and Answers

Red and Green light combine to create what colour?

  • Green
  • White
  • Yellow (correct)
  • Black
  • Yellow and blue light combine to produce what colour of light?

  • Yellow
  • White (correct)
  • Cyan
  • Blue
  • Analysis of stress through materials can be done using what wave phenomenom.

  • Interference
  • Diffraction
  • Mechanical Waves
  • Polarisation (correct)
  • What waves on the electromagnetic spectrum have the longest wavelength?

    <p>Radio Waves</p> Signup and view all the answers

    What waves are harmful to humans and can cause cancer?

    <p>Ultraviolet</p> Signup and view all the answers

    What colour light has the longest wavelenght?

    <p>Red</p> Signup and view all the answers

    In a typical diffraction grating which of the following happens when the wavelenght of visible light is increased.

    <p>The diffraction of the light increases</p> Signup and view all the answers

    The first order image of a monochromatic light source is at an angle 29 to the zero order image. The diffraction grating has 800 lines per millimetre. What is the wavelength of that light? Give your answer in nanometres.

    <p>606nm</p> Signup and view all the answers

    Which of the following are two objects used for dispersion?

    <p>Diffraction Grating, Prism</p> Signup and view all the answers

    What is mononchromatic light.

    <p>Light of a single wavelength</p> Signup and view all the answers

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