Characteristics Of Light (Section 1)

7 Questions | Total Attempts: 167

Light Quizzes & Trivia

I think that a particle must have a separate reality independent of the measurements. That is an electron has spin, location and so forth even when it is not being measured. I like to think that the moon is there even if I am not looking at it. Author: Albert Einstein

Questions and Answers
  • 1. 
    Why can light be used to measure distances accurately? What must be known in order to make kistance measurements?
  • 2. 
    What is the relationship between the actual brightness of a light source nad its apparent brightness from where you see it?
  • 3. 
    How fast do X rays travel in a vacuum?
  • 4. 
    Why do astonmers observing distant galaxies talk about looking backward in time?
  • 5. 
    Do the brightest stars that you see in the night sky necessarily give off more light than dimmer stars?(explain)
  • 6. 
    Which band of the electrmagnetic spectrum has the lowest frequency and shortest wavelength?
  • 7. 
    Which of the following electromagnetic waves has the highest frequency?
    • A. 


    • B. 

      Ultraviolet radiation

    • C. 

      Blue light

    • D. 

      Infreared radiation

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