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Acoustics: Quiz


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Question 1: In about 20 BC, the Roman architect and engineer ________ wrote a treatise on the acoustic properties of theatres including discussion of interference, echoes, and reverberation—the beginnings of architectural acoustics.
De architecturaRoman technologyClassical antiquityVitruvius

Question 2: The loudness of these disturbances is called the ________, and is measured on a logarithmic scale in decibels.
Sound pressureSound powerParticle displacementSound intensity

Question 3: Acoustics is the interdisciplinary science that deals with the study of sound, ultrasound and ________ (all mechanical waves in gases, liquids, and solids).

Question 4: Many books and websites about musical theory written by Western musicologists mention ________ as the first person studying the relation of string lengths to consonance.

Question 5: Acoustic transducers include ________, microphones, hydrophones and sonar projectors.
LoudspeakerSubwooferLoudspeaker enclosureTweeter

Question 6: ________ (384-322 BC) understood that sound consisted of contractions and expansions of the air "falling upon and striking the air which is next to it...", a very good expression of the nature of wave motion.
Bertrand RussellPlatoAristotleEmpiricism

Question 7: The most widely used transduction principles are ________ (at lower frequencies) and piezoelectricity (at higher frequencies).
ElectromagnetismMaxwell's equationsClassical electromagnetismMagnetic field

Question 8: Physicists and acoustic engineers tend to discuss sound pressure levels in terms of frequencies, partly because this is how our ________ interpret sound.
EarSensory systemBreastPenis

Question 9: A scientist who works in the field of acoustics is an ________.
Classical mechanicsOpticsPhysicsAcoustics

Question 10: However, from at least 3000 BC, the Chinese were already using a scale based on the knotted positions of overtones that indicated the consonant pitches related to the open string, present at their ________[4].
RuanPipaGuqinGuqin history

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