The figure to the right shows a snapshot of an electromagnetic wave traveling in

Question

The figure to the right shows a snapshot of an electromagnetic wave traveling into the screen in a straight line through empty space. The red vertical arrow represents the electric field vector at that instant, and the blue horizontal arrow represents the magnetic field vector. At the time of this snapshot, the magnitudes of the electric and magnetic fields are at their respective maximum values for this particular wave. Which of the diagrams below represent possible configurations of the electric and magnetic fields for this wave at some point in the future? Sort the images, assuming that the wave continues to travel into the screen, unimpeded.

Explanation / Answer

The possible images are

2 and 3 images

And the not possible images are

1 , 4 , 5 ,6

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