ACOUSTICS 1.0 - ALE

What is a repetitious reflective sound due to parallel walls?

• echo

• flutter

• noise

What is a delayed sound heard a fraction of a second after the direction of sound is heard?

• echo

• flutter

• noise

What is an unpleasant or unwanted sound?

• echo

• flutter

• noise

What is the study of reactions of humans to audible sound?

• psycho acoustics

• environmental acoustics

• electro acoustics

What is the study of sound generated by equipment?

• psycho acoustics

• environmental acoustics

• electro acoustics

What is the study of effects on environment upon audible sound?

• psycho acoustics

• environmental acoustics

• electro acoustics

What is the distance between two similar points in succession waves traveling in one cycle?

• sound

• frequency

• wavelength

It is a sensation felt by the brain resulting from the distance of molecules in the air

• sound

• frequency

• wavelength

It is the rate of repetition of a periodic phenomenon

• sound

• frequency

• wavelength

What is the amount of sound energy produced by the source?

• magnitude

• decibel

• velocity