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### 8 Cards in this Set

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 In the case of a longitudinal wave... what do the high points of the curve represent? The high points of the curve represent the maximum shifts of particles in one direction. What is the wave length? The wave length is the distance from crest to crest. What is the speed? Speed is the rate at which each crest moves. What is the frequence? The frequence is the time needed for a complete wave (crest + trough)to pass a given point What is the amplitude? The amplitude of a wave is the height of the crests above the undisturbed level (or the depths of the trough below this level) What depends on frequency and amplitude? The energy of the waves. What is the unit of frequency and what is is usually mentioned as? c/s...cycles per second. Also known as the Hertz.(hz) Who was the Hertz named after? Heinrich Hertz, a pioneer in the study of electromagnetic waves.