Difference between revisions of "Main Page/PHYS 3220/Speed of Light"
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(Created page with "<h1>Introduction</h1> <p>Light can be described as a periodic electromagnetic plane wave which carries energy in the form of an electromagnetic field. The electric and magnetic c...") |
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<h1>Introduction</h1> | <h1>Introduction</h1> | ||
<p>Light can be described as a periodic electromagnetic plane wave which carries energy in the form of an electromagnetic field. The electric and magnetic components can be written as:</p> | <p>Light can be described as a periodic electromagnetic plane wave which carries energy in the form of an electromagnetic field. The electric and magnetic components can be written as:</p> | ||
| + | <table width=400 align=center><tr><td> | ||
| + | <p align=justify>[[File:C-eqn1.png|100px|center]] | ||
| + | </p> | ||
| + | </td><td> | ||
| + | <p align=justify>[[File:C-eqn1b.png|100px|center]] | ||
| + | </p> | ||
| + | </td></tr></table> | ||
| + | <p>This represents a monochromatic (single-frequency) beam travelling in the + z direction having a wavelength λ and frequency v (related by λ ν = c). The angle </p> | ||
| + | <table width=400 align=center><td> | ||
| + | <p align=justify>[[File:C-eqn2.png|80px|center]] | ||
| + | </p> | ||
| + | </td></table> | ||
Revision as of 15:12, 18 July 2011
Introduction
Light can be described as a periodic electromagnetic plane wave which carries energy in the form of an electromagnetic field. The electric and magnetic components can be written as:
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 |
This represents a monochromatic (single-frequency) beam travelling in the + z direction having a wavelength λ and frequency v (related by λ ν = c). The angle
 |
