Physics, 17.03.2020 02:26, myahprovenzano

A sinusoidal electromagnetic wave has an average intensity of I1 =100 W/m2. By what factor would the electric-field amplitude of the wave have to be increased in order for the wave to have an average intensity of I2 = 8100 W/m2 ?

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A sinusoidal electromagnetic wave has an average intensity of I1 =100 W/m2. By what factor would the...