The pattern of displacement nodes N and
antinodes A in a pipe is NANANANANA when the
standing-wave frequency is 1510 Hz. The pipe
contains air at 20∘C. The speed of sound in air
is 344 m/s.
A) Is it an open or a closed (stopped) pipe?
It is an open pipe.
It cannot be determined.
It is a closed pipe.
B) Which harmonic is this?
This is fourth harmonic.
This is fifth harmonic.
This is seventh harmonic.
This is ninth harmonic.
C) What is the length of the pipe? Express your answer with
the appropriate units.
D) What is the fundamental frequency? Express your answer
with the appropriate units.