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For Properties of waves, a student is working with a loudspeaker and microphone demonstration. Which option best uses compressions, rarefactions and detected vibrations to required practical: determine frequency using an oscillator, signal generator or timing method where appropriate.?.
- A.frequency: ray-box boundary observation in a loudspeaker and microphone demonstration
- B.frequency: a generic statement that ignores compressions, rarefactions and detected vibrations
- C.frequency: a boundary mistake that confuses sound versus ultrasound
- D.frequency: a different Unit 4.6 idea from outside Properties of waves
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