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Questions  >>  CBSE XII  >>  Physics  >>  Electromagnetic waves
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A linearly polarized electromagnetic wave given as E=E0ˆicos(kzwt) is incident normally on a perfectly reflecting infinite wall at z=a Assuming that the material of the wall is optically inactive , the reflected wave will be given as

Er=E0ˆicos(kzwt)Er=E0ˆicos(kz+wt)Er=E0ˆicos(kz+wt)Er=E0ˆisin(kzwt)

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