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Questions and Answers
Which term is NOT associated with the study of sound?
Which term is NOT associated with the study of sound?
- Sound intensity
- Sound
- Luminosity (correct)
- Decibel
What is the unit of measurement for sound intensity?
What is the unit of measurement for sound intensity?
- Watts per square meter (correct)
- Decibels
- Hertz
- Pascals
What does a decibel measure?
What does a decibel measure?
- The direction of sound
- The speed of sound
- The frequency of sound
- The loudness of sound (correct)
Which of the following is NOT a characteristic of musical sounds?
Which of the following is NOT a characteristic of musical sounds?
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What is the formula for finding the intensity level of sound in decibels?
What is the formula for finding the intensity level of sound in decibels?
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Study Notes
Sound and Sound Intensity
- Sound refers to a form of energy that is transmitted through vibrations
- Sound intensity is the amount of energy transmitted per unit area per unit time
- Decibel (dB) is the unit used to measure sound intensity
- Associated terms include frequency, amplitude, wavelength, and speed
Classification of Sound
- Sound can be classified into different types, including musical sounds
- Musical sounds have specific characteristics, including pitch, tone, and timbre
Calculating Sound Intensity
- Sound intensity can be calculated using the formula: intensity = power / area
- Intensity level of sound is the ratio of the intensity of the sound to a reference intensity, usually expressed in decibels (dB)
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