A bugle can be thought of as an open-end pipe. If a bugle were straightened out, it would be 2.65 m long. a. If the speed of sound is 343 m/s, find the lowest frequency (i.e., the largest wavelength) that can resonate in a bugle. (64.72 Hz) b. Find the next two higher resonant frequencies in the bugle. What harmonics are they
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Ответ:
Answer
given,
Length of pipe, L = 2.65 m
speed of sound, v = 343 m/s
Pipe is open end Pipe
a) Lowest frequency
condition, for open end pipe
For lowest frequency
n = 1
f₁ = 64.72 Hz
b) For second frequency in bugle
n = 2
f₂ = 129.43 Hz
for n = 3
f₃ = 194.16 Hz
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