Question

An industrial laser is used to burn a hole through a piece of metal. The average...

An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is = 2.53 × 109 W/m2. What is the rms value of (a) the electric field and (b) the magnetic field in the electromagnetic wave emitted by the laser?

Homework Answers

Answer #1

PART (a):

Given that: Intensity of light : I = 2.53 x 109 W/m2

Therefore, RMS value of electric field is given by:

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PART (b):

Given that: Intensity of light : I = 2.53 x 109 W/m2

Therefore, RMS value of magnetic field is given by:

OR

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