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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Physics Quiz: Light And Optics

Sample multiple-choice questions for light and optics unit.

Questions: 15 | Attempts: 10682 | 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?

0º

34º

56º

66º

74º

Light! Practice Test . . .

This will help you study for the light test on Wednesday!

Questions: 20 | Attempts: 8002 | Last updated: Dec 31, 2012

Sample Question
Light is best described as a:

Particle

Wave

Point

Particle and Wave

Point and Wave

Light Quiz

Questions: 11 | Attempts: 1680 | Last updated: Dec 24, 2018

Sample Question
What is our main source of light?

Sun

Fire

Light

Candles

Light And Shadows

Questions: 6 | Attempts: 4582 | Last updated: Feb 19, 2013

Sample Question
Shadows are made with opaque material.

Yes

No

The Aha! Lightworker Quiz

The AHA! Lightworker Quiz

Questions: 10 | Attempts: 7992 | Last updated: Dec 9, 2020

Sample Question
Do you feel like you have a higher purpose but can't put your finger on it?

Yes

No

Energy Energy Quizzes

Reflection Reflection Quizzes

Frequency Frequency Quizzes

Photosynthesis Photosynthesis Quizzes

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 distance between the positions of the original and final images seen in the mirror if an object is placed 20 cm in front of a plane mirror and the mirror is moved 2 cm towards the...

As the object was initially placed 20 cm in front of the plane mirror, the image formed was 40 cm away from the original object. Now, when the mirror is moved 2 centimeters towards the object, the image also moves two towards the object. In this pers

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

What is the difference between Lite and Light?

There is no big difference between light and lite. Both words are used to describe materials that are not too heavy in terms of their composition. Light comes from the Greek word 'leukos' and in Latin, it is called 'lux'. Light simply means the illum