different waves
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8 Terms
longitudinal wave
the vibrations are in the same direction as the wave is traveling. The places where the springs are closer are called compression, high pressure and when the springs are further apart are called rarefaction, low pressure.
eg of longitudinal wave
sound waves
transverse wave
vibrations are at right angles to the direction the wave is travelling belong in the electromagnetic family of waves
eg of transverse wave
microwave, light wave, Mexican wave
how do we hear
sound sends vibration (sound wave)
what does sound need
air to vibrate so if air was decreased sound would decrease too. The absence of air is called vacuum
what happens when amplitude is increased
the sound gets louder.
what happens when the frequency is increased
the sound gets higher
Note 
Flashcards (20)