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Question
A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction
Options:
A .   Ey = Ez = 0, By = Bz = 0.
B .   None of these.
C .   Ex = Ey = 0, Bx = By = 0.
D .   Ex = Ey = 0, By = Bz = 0.
Answer: Option D

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