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The Line of Sight
In the first section of Lesson 1, it was stated, "without light, there would be no…
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Reflection and the Ray Model of Light
Reflection and its Importance The Role of Light to Sight The bottom line is: without…
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Other Applications of Two-Point Source Interference
As is often the case, physics is not a science that is restricted to the…
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Young’s Experiment
The previous section of Lesson 3 discussed Thomas Young's effort to derive an equation relating…
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Young’s Equation
Previously in Lesson 3 we have seen how circular waves from two sources can interfere in…
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The Path Difference
Two-point source interference occurs when waves from one source meet up with waves from another…
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Mathematics of Two-Point Source Interference
Anatomy of a Two-Point Source Interference Pattern This unit of The Physics Classroom Tutorial focused…
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Blue Skies and Red Sunsets
The sun emits light waves with a range of frequencies. Some of these frequencies fall…
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Color Subtraction
The previous lesson focused on the principles of color addition. These principles govern the perceived…
Posted inEngineering Physics
Color Addition
Color perception, like sound perception, is a complex subject involving the disciplines of psychology, physiology, biology, chemistry…