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OpenStudy (anonymous):
Vibrations are excited in a closed organ pipe. Draw wave forms and write expressions for the wavelength in terms of the length of the pipe for the first three modes of vibration of the air column. (My exam is 7 hours from now and I'm serious when i say 'i know nothing' Thank you.)
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OpenStudy (vincent-lyon.fr):
Try drawing something that we can start with. DO you know nodes, antinodes in standing waves?
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