The previous section of Lesson 3 discussed Thomas Young's effort to derive an equation relating…

Previously in Lesson 3 we have seen how circular waves from two sources can interfere in…

Two-point source interference occurs when waves from one source meet up with waves from another…

Anatomy of a Two-Point Source Interference Pattern This unit of The Physics Classroom Tutorial focused…

The sun emits light waves with a range of frequencies. Some of these frequencies fall…

The previous lesson focused on the principles of color addition. These principles govern the perceived…

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…