The general equation for the electric and the magnetic field as per the electromagnetictheory is,E= Emar, cos (kx –- ot)B| = Bmar. Cos (kx – ox)The energy per unit volume in an electric field is,1UEThe energy per unit volume in a magnetic field is,1 BUM2 HoAlso, the energy density and the total energy associated with the magnetic field and the1(E×B).Hoelectric field are equal. The rate with the energy flows in an EM wave is S =-In the positive x direction, a plane EM wave varies sinusoidally at 99 MHz and the peakvalue of the electric field is 2 mV/m and it is moving in the ty direction. The wavelengthand period of the wave is,(а) 3.03 m, 0.01 us(b) 1.3 m, 0.01 s(c) 2.1 m, 10s(d) 1.11 m, 0.55 s

Wavelength of the wave λ=cf=3×108 m/s99 MHz1 MHz106 Hz=3.03 m

Answered: In the positive x direction, a plane EM…

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