The pair of musical instruments that works on the vibration of air in pipes is A Piano and the organB Guitar and the fluteC Trumpet and the violinD Flute and trumpet
Question
The pair of musical instruments that works on the vibration of air in pipes is A Piano and the organB Guitar and the fluteC Trumpet and the violinD Flute and trumpet
Solution
The correct answer is A. Piano and the organ. Both of these instruments produce sound by the vibration of air in pipes. In the case of the organ, air is forced through pipes of varying lengths to produce different pitches. The piano also uses the principle of air vibration, but in a slightly different way. When a key is pressed, a hammer strikes a string causing it to vibrate. This vibration is transferred to the soundboard through the bridge and it is the vibration of the soundboard that causes the air inside the piano to vibrate and produce sound.
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NORMAL MODES OF VIBRATION IN A CLOSE ORGAN PIPE
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