Sound made by movements
backward and forwards is called
O
Ultrasonic
O Frequency
O
Vibrations
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frequency is your answer. Mark meas the brainliest.
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Sound is a mechanical wave that results from the back and forth vibration of the particles of the medium through which the sound wave is moving. If a sound wave is moving from left to right through air, then particles of air will be displaced both rightward and leftward as the energy of the sound wave passes through it. The motion of the particles is parallel (and anti-parallel) to the direction of the energy transport. This is what characterizes sound waves in air as longitudinal waves.
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pls mark as brainliest thx a lot :)
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