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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!
Top Trending Quizzes

Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700...

Questions: 20  |  Attempts: 10185   |  Last updated: Aug 5, 2021
  • Sample Question
    Light is best described as a:

.

Questions: 11  |  Attempts: 2802   |  Last updated: Feb 8, 2021
  • Sample Question
    When an object blocks the light, what is formed?



Questions: 15  |  Attempts: 6443   |  Last updated: Feb 24, 2021
  • Sample Question
    A ray of light strikes a plane mirror PQ at an angle of incidence of 30o, is reflected from the plane mirror, and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is:

Sample multiple-choice questions for light and optics unit.

Questions: 15  |  Attempts: 12402   |  Last updated: Jan 6, 2021
  • Sample Question
    A light ray has an angle of incidence of 34º. The reflected ray will make what angle with the reflecting surface?


Questions: 11  |  Attempts: 2311   |  Last updated: Dec 24, 2018
  • Sample Question
    What is our main source of light?
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Popular Quizzes

Sample multiple-choice questions for light and optics unit.

Questions: 15  |  Attempts: 12417   |  Last updated: Jan 6, 2021
  • Sample Question
    A light ray has an angle of incidence of 34º. The reflected ray will make what angle with the reflecting surface?

Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700...

Questions: 20  |  Attempts: 10196   |  Last updated: Aug 5, 2021
  • Sample Question
    Light is best described as a:



Questions: 10  |  Attempts: 9158   |  Last updated: Jul 12, 2021
  • Sample Question
    Do you feel like you have a higher purpose but can't put your finger on it?



Questions: 15  |  Attempts: 6445   |  Last updated: Feb 24, 2021
  • Sample Question
    A ray of light strikes a plane mirror PQ at an angle of incidence of 30o, is reflected from the plane mirror, and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is:


Questions: 6  |  Attempts: 6339   |  Last updated: Feb 19, 2013
  • Sample Question
    Shadows are made with opaque material.

A basic quiz of the light-dependent reaction in photosynthesis.

Questions: 9  |  Attempts: 5635   |  Last updated: Oct 23, 2020
  • Sample Question
    What is not found in a photosystem?