The ________________ is defined as the number of pressure variation which a sounding body makes in each unit of time.
A. Note
B. Pitch
C. Wavelength
D. Intensity
The question was posed to me during an interview for a job.
This is a very interesting question from Acoustic Design of Auditorium topic in section Acoustics and Ventilation of Construction & Building Materials
The correct option is B. Pitch
Explanation: The greater the number of variations, the higher will be the Pitch. The intensity of sound is defined as the flow of sound energy per unit of time through a unit area.