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Aradio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic me
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of Em wave 8 frequency = 1com H2 to 3 H₂ energy of each photon he= 6.6X1634x108 E = 6.6X/026J Enessy per unit volume T 0.2 てCorrection (11) A=3oo 1.25X10X377 6.366X163 m2 L=5 L = 0.0797m L=8cm F

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