Electromagnetic Radiation Quiz
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Questions and Answers

What are the types of electromagnetic radiation?

  • Radio waves, microwaves, visible light, ultraviolet, X-rays, and gamma rays
  • Infrared, ultraviolet, X-rays, and gamma rays
  • Radio waves, microwaves, infrared, (visible) light, ultraviolet, X-rays, and gamma rays (correct)
  • Sound waves, ocean waves, visible light, ultraviolet, X-rays, and gamma rays

    • What is the speed of electromagnetic waves in a vacuum?

  • $0$, they cannot travel in a vacuum
  • $2c$, twice the speed of light
  • $\frac{c}{2}$, half the speed of light
  • $c$, the speed of light (correct)

    • How are the oscillations of electric and magnetic fields in electromagnetic waves oriented?

  • On average parallel to each other and perpendicular to the direction of energy and wave propagation
  • On average perpendicular to each other and perpendicular to the direction of energy and wave propagation (correct)
  • Randomly oriented in relation to each other and to the direction of energy and wave propagation
  • Parallel to each other and parallel to the direction of energy and wave propagation

    • How can the position of an electromagnetic wave within the electromagnetic spectrum be characterized?

    <p>By either its frequency of oscillation or its wavelength</p> Signup and view all the answers

    What is the order of increasing frequency and decreasing wavelength for electromagnetic waves?

    <p>Radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays and gamma rays</p> Signup and view all the answers

    Electromagnetic radiation consists of waves of the electromagnetic field, which propagate through space and carry momentum and electromagnetic radiant energy.

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

    Electromagnetic waves travel at the speed of light in a vacuum.

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

    The oscillations of electric and magnetic fields in electromagnetic waves are perpendicular to each other and perpendicular to the direction of energy and wave propagation.

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

    X-rays have a higher frequency and a shorter wavelength than infrared radiation.

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

    Ultraviolet radiation has a lower frequency and a longer wavelength than visible light.

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

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