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physics wave quiz
quiz 9/22/22
| Question | Answer |
|---|---|
| pulse | single disturbance moving through a medium from one location to another location |
| mechanical wave | wave that are not capable of transmitting energy through a vacuum and require a medium in order to transport energy from one location to another |
| compression | a point on a medium through which a longitudinal wave is traveling that has the maximum density |
| rarefaction | a point on a medium through which a longitudinal wave is traveling that has the minimum density |
| frequency | how often the particles of a medium vibrate when a wave passes through the medium |
| units that measure frequency | Hertz (Hz) |
| period | the time for a particle on a medium to make one complete vibrational cycle |
| units that measure period | seconds |
| transverse wave | a wave in which particles of the medium move in a direction perpendicular to the direction that the wave moves (arrows would be up and down because source moves up and down) |
| longitudinal wave | is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves (arrow would be side to side, because the source moves side to side) |
| examples of waves | sound, light, radio, microwave, water wave |
| wave | disturbance that travels through a medium from one location to another location |
| equilibrium/rest position | a natural position assumed when something is stretched from end to end and held at rest |
| medium | A substance or material that carries the wave |
| why waves transport energy but not matter | there is a force that puts the particles back in it's original position or spot |
| electromagnetic wave | wave that is capable of transmitting its energy through a vacuum |
| crest | point of the medium that exhibits the maximum amount of positive or upward displacement from the rest position |
| trough | the point on the medium that exhibits the maximum amount of negative or downward displacement from the rest position |
| amplitude | maximum amount of displacement of a particle on the medium from its rest position (the space between the crest or trough on the line) |
| wavelength | length of one complete wave cycle |
| equation that relates frequency and period | period = 1/frequency, frequency = 1/period |
| speed | how fast an object is moving |
| equation for speed | speed = distance/time or v = d/t |
| if the wavelength increases, the speed | remains the same |
| if the wavelength increases, the frequency | decreases |
| the speed of a wave depends on | the properties of the medium through which the wave travels |
| formula for frequency/period | f = 1/t |
| formula for speed | v = d/t |
| wave equation/formula for wavelength | speed = wavelength x frequency, or v=fλ |
Created by:
lvskxll
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