A clarinet produces a 611 Hz sound which travels uniformly in all directions. The air is at a temperature of 23"C. The sound intensity is 1.47 x 10 wim? when measured 4.50 m away from the clarinet. Calculate the displacement amplitude of the sound. If necessary, take density of air to be 1.20 kg/m, bulk modulus to be 1.42 x 105 Pa and speed of sound to be 344 m/s. Select one: a. 242 x 10 m b. 6.94 x 10 m C. 4.14 x 10 m d. 3.38 x 10 m 5.67 x 10 m
A clarinet produces a 611 Hz sound which travels uniformly in all directions. The air is at a temperature of 23"C. The sound intensity is 1.47 x 10 wim? when measured 4.50 m away from the clarinet. Calculate the displacement amplitude of the sound. If necessary, take density of air to be 1.20 kg/m, bulk modulus to be 1.42 x 105 Pa and speed of sound to be 344 m/s. Select one: a. 242 x 10 m b. 6.94 x 10 m C. 4.14 x 10 m d. 3.38 x 10 m 5.67 x 10 m
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Transcribed Image Text:A clarinet produces a 611 Hz sound which travels uniformly in all directions. The
air is at a temperature of 23 C. The sound intensity is 1.47 x 10 wim? when
measured 4.50 m away from the clarinet. Calculate the displacement amplitude
of the sound. If necessary, take density of air to be 1.20 kg/m, bulk modulus to
be 1.42 x 105 Pa and speed of sound to be 344 m/s.
Select one:
a.
2.42 x 10 m
b.
6.94 x 10 m
C.
4.14 x 10 m
d.
3.38 x 10 m
e.
5.67 x 10 m
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