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Lesson3
sound wave
| Question | Answer |
|---|---|
| Loudness | the perception of the energy of a sound |
| Intensity | The amount of energy per second carried through a unit area by a wave |
| Decibel | Unit used to compare the loudness of different sounds |
| Pitch | A description of how a sound is perceived as high or low |
| Doppler effect | The change in frequency of a wave as it’s source moves in relation to an observer |
| Differentiate | To identify the difference between |