Sound waves travel at 350 m/s through warm air and at 3500 m/s through brass. The wavelength of a 700 Hz acoustic wave as it enters brass from warm air:
decreases by a factor 20
increases by a factor 10
decreases by a factor 10
increases by a factor 20
Travelling Waves
Superposition & Reflection
String Vibration & Air Column
Doppler Effect
Sound Waves
Modes,Harmonics & Beats
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