Each of the following questions is related to standing waves in air columns. Choose the words that make each statement correct. (i) For a pipe open at both ends, the harmonic number is equal to the number of [(a) nodes; (b) antinodes]. (ii) The distance from a node to its adjacent antinode is always equal to a [(c) quarter; (d) half ] wavelength. (iii) For a pipe closed at one end, the wavelength of the fundamental harmonic equals [(e) two; (f ) four] times the pipe length.
Interference of sound
Seiche
A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.
Each of the following questions is related to standing waves in air columns. Choose the words that make each statement correct. (i) For a pipe open at both ends, the harmonic number is equal to the number of [(a) nodes; (b) antinodes]. (ii) The distance from a node to its adjacent antinode is always equal to a [(c) quarter; (d) half ] wavelength. (iii) For a pipe closed at one end, the wavelength of the fundamental harmonic equals [(e) two; (f ) four] times the pipe length.
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