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36
Poynting vector
Tells you the flux of energy.
The intensity of radiation is just the time average of S; the sinusoids squared average to 1/2:
The intensity of radiation is just the time average of S; the sinusoids squared average to 1/2:
Flashcard info:
Author: CoboCards-User
Main topic: Physics
Topic: GRE
School / Univ.: UC Santa Cruz
City: Santa Cruz, CA
Published: 20.10.2015