A microphone is put at some distance on the axis in front

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Two speakers with amplitude A each, are on an axis are seperated by 10cm. A microphone is put at some distance on the axis in front of them and register a minimum intensity. One of the speakers are then moved and are distanced 30 cm this time. The microphone registers a maximum intensity. What is the wavelength of these waves?

Reference no: EM13607722

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