An electromagnetic wave strikes a 1.30-cm2 section of wall
Chapter , Problem 32(choose chapter or problem)
An electromagnetic wave strikes a 1.30-cm2 section of wall perpendicularly. The rms value of the waves magnetic fi eld is determined to be 6.80 3 1024 T. How long does it take for the wave to deliver 1850 J of energy to the wall?
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