Physics-Waves/Sound
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| Transverse waves | wave that transfers through a medium and causes the medium to vibrate at right angles
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| Longitudinal waves | wave that transfers through a medium and causes medium to vibrate only in the direction parallel to the wave’s motion and transfers energy through that medium
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| Longitudinal wave in an earthquakes | moves as a series of compression and rarefactions
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| Amplitude | the amount of energy carried by a wave and the maximum displacement of a medium from the rest position
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| Reflection | occurs when a wave bounces off a surface that it cannot pass through, like a racquetball hitting a wall
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| Refraction | the bending of a wave as it enters a new medium at an oblique angle, must travel at a different speed within the two media
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| Sound travels fastest through | cast iron
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| Doppler Effect | a change in sound frequency caused by the motion of the sound source (like a firetruck as it goes past you)
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| Pitch | sound source
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| Electromagnetic waves | transverse wave consisting of changing electric and changing magnetic fields, causes variation in wavelength and frequency
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| Formula to find frequency | speed of wavelength and the speed of the wave
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