A pane electromagnetic wave travelling along the positive x-direction has a wavelength of 3mm . The variation in the electric field occurs in the y – direction with an amplitude 66 V/m . The equations for the electric and magnetic fields as a function of x and t are respectively . ๐ธ_๐‘ฆ = 66 cos ๐œ‹ x 〖10〗^11(t - ๐‘ฅ/๐‘ ) , ๐ต_๐‘ง = 1.1x 〖10〗^(−7) cos ๐œ‹ x 〖10〗^11(t - ๐‘ฅ/๐‘ ) ๐ธ_๐‘ฆ =11 cos 2๐œ‹ x 〖10〗^11(t - ๐‘ฅ/๐‘ ) , ๐ต_๐‘ฆ = 11x 〖10〗^(−7) cos 2๐œ‹ x 〖10〗^11(t - ๐‘ฅ/๐‘ ) ๐ธ_๐‘ฅ = 66 cos ๐œ‹ x 〖10〗^11(t - ๐‘ฅ/๐‘ ) , ๐ต_๐‘ฅ = 2.2 x 〖10〗^(−7) cos ๐œ‹ x 〖10〗^11(t - ๐‘ฅ/๐‘ ) ๐ธ_๐‘ฆ = 66 cos 2๐œ‹ x 〖10〗^11(t - ๐‘ฅ/๐‘ ) , ๐ต_๐‘ง = 2.2 x 〖10〗^(−7) cos 2๐œ‹ x 〖10〗^11(t - ๐‘ฅ/๐‘ )

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