Consider a sinusoidal electromagnetic wave in vacuum whose electric field has only a z-component given by E, EmazCos (ky+wt). Which statement is TRUE? O The wave propagates in the positive z-direction. O The wave propagates in the negative z-direction. O The wave propagates in the positive y-direction. O The wave propagates in the negative y-direction. The wave propagates in the positive x-direction. O The wave propagates in the negative x-direction. The wave propagates in an unknown direction.
Consider a sinusoidal electromagnetic wave in vacuum whose electric field has only a z-component given by E, EmazCos (ky+wt). Which statement is TRUE? O The wave propagates in the positive z-direction. O The wave propagates in the negative z-direction. O The wave propagates in the positive y-direction. O The wave propagates in the negative y-direction. The wave propagates in the positive x-direction. O The wave propagates in the negative x-direction. The wave propagates in an unknown direction.
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Transcribed Image Text:Consider a sinusoidal electromagnetic wave in vacuum whose electric field has only a z-component given by Ez = EmaxCos(ky +wt).
Which statement is TRUE?
The wave propagates in the positive z-direction.
The wave propagates in the negative z-direction.
The wave propagates in the positive y-direction.
The wave propagates in the negative y-direction.
The wave propagates in the positive x-direction.
The wave propagates in the negative x-direction.
The wave propagates in an unknown direction.
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