Color perception, like sound perception, is a complex subject involving the disciplines of psychology, physiology, biology, chemistry…

We have previously learned that visible light waves consist of a continuous range of wavelengths or frequencies.…

As mentioned in the first section of Lesson 2, our eyes are sensitive to a very…

The Electromagnetic and Visible Spectra As discussed in Unit 10 of The Physics Classroom Tutorial, electromagnetic waves are…

The emphasis of Lesson 1 of this unit is to present some evidence that has…

Wave interference is a phenomenon that occurs when two waves meet while traveling along the same…

How Do We Know Light is a Wave? Wavelike Behaviors of Light An age-old debate that has…

In the previous part of Lesson 5, the formation of a standing wave patterns in an…

Many musical instruments consist of an air column enclosed inside of a hollow metal tube.…

A guitar string has a number of frequencies at which it will naturally vibrate. These…