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(a) Region 1, z<0, and region 2, z>0, are both perfect dielectrics (u= μ0). A uniform plane
wave traveling in the a, direction has a radian frequency of 3 x 10¹0 rad/s. Its wavelengths in
the two regions are 21 = 5 cm and 22 =3 cm. if ERI/ ER2 = (22/1) What percentage of the
energy incident on the boundary is (a) reflected (b) transmitted.
Bi
ER
E₁
BR
BT
Interface
ET

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