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In a certain region of space through which an EM wave is propagating the poynting's vector is given by 3 = 20.16 cos (kz-cor)

In a certain region of space through which an EM wave is propagating the poynting's vector is given by 3 = 20.16 cos (kz-cor) W/m. The total time average power carried by the wave through 100 cm of area on the plane y + 2z = 5 will be mW. (Upto two decimal place)

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