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- 1. Multiple Choice
How many nodes and antinodes does a first harmonic have in the closed pipe resonator?
a. antinodes 4 ,nodes 3
b. antinodes 3 ,nodes 4
b. antinodes 2 ,nodes 1
b. antinodes 1 ,nodes 1
- 2. Multiple Choice
in the open end pipe, the length of the tube determines the _____ of the sound vibration.
frequency
amplitude
volume
pressure
- 3. Multiple Choice
which of the following is the best description for the relationship between the frequency and the length of the closed- pipe ?
f =nv /4L
f =nv /4L
f= 2L/nv
f = 4L/nv
- 4. Multiple Choice
Which of the following pipes, when hit, would make the highest pitch ? why?
a. 1 foot long pipe
b. 2 foot long pipe
c. 3 foot long pipe
d. 4 foot long pipe
- 5. Multiple Choice
An air column in a pipe, which is closed at one end, will be in resonance with a vibrating tuning fork with the fundamental frequency 264 Hz, calculate the length of the column is, (Speed of sound = 330 m/s.)
a. 31.25 cm
b. 93.75 cm
c. 200 cm
d. 150 cm
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