Chapter 26: Properties Of Light

10 Questions | Total Attempts: 1224

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Light Quizzes & Trivia

Questions and Answers
  • 1. 
    Most of the waves in the electromagnetic spectrum are
    • A. 

      Red light.

    • B. 

      Blue light.

    • C. 

      Green light.

    • D. 

      Invisible.

  • 2. 
    Electromagnetic waves consist of
    • A. 

      Compressions and rarefactions of electromagnetic pulses.

    • B. 

      Oscillating electric and magnetic fields.

    • C. 

      Particles of light energy.

    • D. 

      High-frequency gravitational waves.

  • 3. 
    The fact that light travels at 300,000 km/s is a consequence of
    • A. 

      Electromagnetic wave propagation.

    • B. 

      Electromagnetic field induction.

    • C. 

      Maxwell's laws.

    • D. 

      Energy conservation.

    • E. 

      None of these

  • 4. 
    The source of all electromagnetic waves is
    • A. 

      Changes in atomic energy levels.

    • B. 

      Vibrating atoms.

    • C. 

      Accelerating electric charges.

    • D. 

      Crystalline fluctuations.

    • E. 

      None of these

  • 5. 
    The main difference between a radio wave and a light wave is its
    • A. 

      Speed.

    • B. 

      Wavelength.

    • C. 

      Frequency.

    • D. 

      All of these

    • E. 

      Two of these

  • 6. 
    Which of these electromagnetic waves has the shortest wavelength?
    • A. 

      Radio waves

    • B. 

      Infrared waves

    • C. 

      X-rays

    • D. 

      Ultraviolet waves

    • E. 

      Light waves

  • 7. 
    Compared to ultraviolet waves, the wavelength of infrared waves is
    • A. 

      Shorter.

    • B. 

      Longer.

    • C. 

      The same.

  • 8. 
    Compared to radio waves, the velocity of visible light waves in a vacuum is
    • A. 

      Less.

    • B. 

      More.

    • C. 

      The same.

  • 9. 
    If an electric charge is shaken up and down
    • A. 

      Sound is emitted.

    • B. 

      Light is emitted.

    • C. 

      Electron excitation occurs.

    • D. 

      A magnetic field is created

    • E. 

      Its mass decreases.

  • 10. 
    If an electron vibrates up and down 1000 times each second, it generates an electromagnetic wave having a
    • A. 

      Period of 1000 s.

    • B. 

      Speed of 1000 m/s.

    • C. 

      Wavelength of 1000 m.

    • D. 

      Frequency of 1000 Hz.

    • E. 

      Wavelength of 1000 km.