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CHAPTER 25

Across
The number of cycles per second
A pattern formed by the overlapping of 2 or more waves that arrive in a region at the same time
2 waves for which the crest of 1 wave arrives at a point at the same time and trough of the 2nd wave arrives
The back and forth vibratory motion of a swinging pendulum
A decrease in frequency
When the crest of 1 wave overlaps the crest of another their individual effects add together. The result is a wave of increased amplitude
Pictorial representation of a wave
2 or more waves whose crests and or troughs arrive at the same place at the same time
The particles move along the direction of the wave rather than at right angles to it
Si unit of frequency
High point of wave
An increase in frequency
Down
When the crest of m1 overlaps the trough of another their individual effects are reduced. the high part of 1 wave simply fills in the low parts of another
The change in frequency due to the motion of the source
Wiggle in space and time
3-d wave with 2 spheres overlapping
Whenever the motion of the medium is at right angles to the direction in which a wave travels
Sound of an object that travels at supersonic speeds
Low points of wave
Wiggling in time
Distance from mid point to crest and the strength
Distance from top of the crest to the next crest
2-d wave with 2 circles overlapping
The time of the back and forth swing