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Speed of sound question?
(a)
What is the speed of sound (in m/s) in a medium where a 125 kHz frequency produces a 0.928 cm wavelength?
m/s
(b)
Which substance is this likely to be?
2 Answers
- AshLv 72 years agoFavorite Answer
speed of sound, v = f λ = (125 x 10³ Hz) x (0.928 x 10⁻² m) = 1160 m/s
It is likely to be a liquid
- Anonymous2 years ago
Speed of sound = wavelength(in m) * frequncy(in Hz)
125 kHz = 125000Hz
0.928cm = 0.00928m
Speed of sound = 125000hz * 0.00928m = 1160m/s
The substance must be a solid to travel that fast
