Question: Two small stereo speakers are driven in step by the same variable-frequency oscillator. Their sound is picked up by a microphone arranged as shown in

Two small stereo speakers are driven in step by the same variable-frequency oscillator. Their sound is picked up by a microphone arranged as shown in Fig. E16.38. For what frequencies does their sound at the speakers produce

(a) Constructive interference and

(b) Destructive interference?

Figure E16.38:

4.50 m- 2.00 m Microphone

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