- #1
Dx
Hello!
A 15 mW laser puts out a narrow beam 2mm in diameter. what is the average(rms) value of the magnetic field?
I have the formula E^2 = E^2_0/2 but I need some additional help figuring out how to set up the problem to solve for it. Can you help, please?
Thanks!
Dx
A 15 mW laser puts out a narrow beam 2mm in diameter. what is the average(rms) value of the magnetic field?
I have the formula E^2 = E^2_0/2 but I need some additional help figuring out how to set up the problem to solve for it. Can you help, please?
Thanks!
Dx