February 22, 2017

Homework Help: Physics

Posted by Mary on Monday, October 15, 2007 at 9:51pm.

An industrial laser is used to burn a hole through a piece of metal. The average density of the light is S = 1.22 109 W/m2. What is the rms value of each of the following fields in the electromagnetic wave emitted by the laser?
(a) the electric field
(b) the magnetic field

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