| Animation 1 | Animation 2 |
Please wait for the animation to completely load.
Two animations represent traveling electromagnetic waves in the z direction. You can click-drag to the right or left to rotate the animations about the z axis. Click-drag up or down to rotate in the xy plane. If Animation 1 represents green light, what is represented by Animation 2? Restart.
Problem authored by Melissa Dancy and Wolfgang Christian.
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