, 25.11.2019 23:31 lachlyn40

Aplane monochromatic electromagnetic wave with wavelength λ = 2.2 cm, propagates through a vacuum. its magnetic field is described by where bx = 3.1 x 10-6 t, by = 3.4 x 10-6 t, and i-hat and j-hat are the unit vectors in the +x and +y directions, respectively. 1) what is f, the frequency of this wave? 2) what is i, the intensity of this wave? 3) what is sz, the z-component of the poynting vector at (x = 0, y = 0, z = 0) at t = 0? 4) what is ex, the x-component of the electric field at (x = 0, y = 0, z = 0) at t = 0? 5) compare the sign and magnitude of sz, the z-component of the poynting vector at (x=y=z=t=0) of the wave described above to the sign and magnitude of siiz, the z-component of the poynting vector at (x=y=z=t=0) of another plane monochromatic electromagnetic wave propagating through vaccum described by: h23_eqn2 where biix = 3.4 x 10-6 t, biiy = 3.1 x 10-6 t, and i-hat and j-hat are the unit vectors in the +x and +y directions, respectively. siiz < 0 and magnitude(siiz) ≠ magnitude(sz) siiz < 0 and magnitude(siiz) = magnitude(sz) siiz > 0 and magnitude(siiz) ≠ magnitude(sz) siiz > 0 and magnitude(siiz) = magnitude(sz)

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