Light Quizzes & Trivia

If you’re reading this right now, you can thank light. Light is the very special part of the electromagnetic spectrum that’s visible to the eye – all the colors of the rainbow from red to violet. Besides its role in illuminating world, light plays an important role in physics, where we can define and quantify everything about light, from its wavelength to its frequency to its role in a vacuum.

Think you can explain the difference between reflection and refraction? Want to bet that you can correctly calculate the energy of light based on its frequency? Whether you’re a quantum physicist on the make or you still think light travels through a special magical ether to get to its destination, take our quiz to learn all there is to know about light!
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This will help you study for the light test on Wednesday!

Questions: 20  |  Attempts: 5474   |  Last updated: Dec 31, 2012
  • Sample Question
    Light is best described as a:

Sample multiple-choice questions for light and optics unit.

Questions: 15  |  Attempts: 8519   |  Last updated: Mar 19, 2020
  • Sample Question
    A light ray has an angle of incidence of 34º. The reflected ray will make what angle with the reflecting surface?

Questions: 118  |  Attempts: 551   |  Last updated: Mar 12, 2019
  • Sample Question
    A Client Service Representative (CSR) receives a call from a customer on Saturday. The CSR determines that the customer is covered, but the coverage is about to expire. Which two upsell activities should the CSR consider? Choose 2 answers.

Questions: 20  |  Attempts: 1245   |  Last updated: Mar 11, 2013
  • Sample Question
    What color of light is produced when a primary color is combined with its complementary color?     

Questions: 6  |  Attempts: 3684   |  Last updated: Feb 19, 2013
  • Sample Question
    Shadows are made with opaque material.

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Light Questions & Answers

What is the critical angle for diamond (n = 2.42) submerged in water (n = 1.33)?
The answer to this is A. Diamonds are known to be very rare gems. There are people who would love to stock up on their jewelry that comes with diamonds because they know that these will sell well in the long run. There are some diamonds that do get s
What is the difference between Luminosity and Brightness?
Luminosity and Brightness are two terms that are talking about light. If you want to measure the amount of light being generated from a source of light, or you want to describe the effect of the light generated, you need to have the understanding of
Which of the following is true of near-sighted people?
Neither. I am 600 over 20. While true a six inch digital clock I cannot clearly read at ten foot . Still, I am most capable of completing the day without any corrective lenses. Thus , a ton of near sighted persons can see both near and far jus