Friday
March 24, 2017

Post a New Question

Posted by 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
_________N/C
(b) the magnetic field
_________T

  • Physics - , Monday, October 15, 2007 at 10:02pm

    energy wise, 1/2 the power is carried in each field. Use that to find E and B.

  • Physics - , Tuesday, October 16, 2007 at 12:51am

    Thanks!

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question