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Questions and Answers
Which of the following creates waves of pressure perceived as sound in the air?
Which of the following creates waves of pressure perceived as sound in the air?
- Light waves
- Radio waves
- Magnetic waves
- Vibrations (correct)
What is the branch of physics that studies sound called?
What is the branch of physics that studies sound called?
- Acoustics (correct)
- Botany
- Geology
- Astrology
How are sound pressure levels measured?
How are sound pressure levels measured?
- In hertz
- In watts
- In volts
- In decibels (dB) (correct)
What is the smallest audible sound, near total silence, measured in decibels?
What is the smallest audible sound, near total silence, measured in decibels?
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What represents the amplitude of a sound at a discrete point in time in digital audio?
What represents the amplitude of a sound at a discrete point in time in digital audio?
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