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Microwave Polarization

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Position wave generator and wave receiver facing each other, with their cones about six inches apart.

Turn the gain on the receiver fully open, and slowly increase the wave generator so that it registers on the receiver gauge and a sound can be heard from the speaker.

Insert the grid between the cones with wires running horizontally and observe that the tone emitted by the speakers is unchanged;

Rotate the grid so that the wires run vertically and observe that the speakers are quiet.

Image of microwave polarization demo equipment

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