Direction of constructive - •= Constructive interference interference Figure 24.26 An overhead view of two radio broadcast antennas sending the same signal, and the interference pattern they produce.

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Chapter24: Electromagnetic Waves
Section: Chapter Questions
Problem 9CQ: Figure 24.26 shows the interference pattern of two radio antennas broadcasting the same signal....
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The interference pattern of two radio antennas broadcasting the same signal. Explain how this is analogous to the interference pattern for sound produced by two speakers. Could this be used to make a directional antenna system that broadcasts preferentially in certain directions? Explain.

Direction of
constructive -
•= Constructive
interference
interference
Figure 24.26 An overhead view of two radio broadcast antennas sending the same signal, and the interference pattern they produce.
Transcribed Image Text:Direction of constructive - •= Constructive interference interference Figure 24.26 An overhead view of two radio broadcast antennas sending the same signal, and the interference pattern they produce.
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