Quick practice
Question 1 of 5
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:
A
increases by a factor 10
B
decreases by a factor 10
C
increases by a factor 20
D
decreases by a factor 20
Concepts
Travelling Waves
Superposition & Reflection
String Vibration & Air Column
Doppler Effect
Sound Waves
Modes,Harmonics & Beats
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