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The Path Difference
Two-point source interference occurs when waves from one source meet up with…
Mathematics of Two-Point Source Interference
Anatomy of a Two-Point Source Interference Pattern This unit of The Physics…
Color Subtraction
The previous lesson focused on the principles of color addition. These principles…
Color Addition
Color perception, like sound perception, is a complex subject involving the disciplines of psychology,…
Light Absorption, Reflection, and Transmission
We have previously learned that visible light waves consist of a continuous range of…
Visible Light and the Eye’s Response
As mentioned in the first section of Lesson 2, our eyes are sensitive…


