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17.2 Chemistry
Vocabulary Words
Question | Answer |
---|---|
periodic motion | any motion that repeats at regular time intervals |
period | the time required for one cycle, a complete motion that returns to its starting point |
frequency | the number of complete cycles in a given time |
hertz | the unit of measure for frequency, equal to one cycle per second |
wavelength | the distance between a point on one wave and the same point on the next cycle of the wave |
amplitude | the maximum displacement of the medium from its rest position |