Question

in a sound wave ---- and ----- are formed.
please give explanation too​

Answer 1

Answer:

Vibration of an object is what produces sound waves. The vibrating object moves in one direction and compresses the air directly in front of it. As the vibrating object moves in the opposite direction, the pressure on the air is lessened so that an expansion, or rarefaction, of air molecules occurs.

Answer 2

Answer:

IN A SOUND WAVE VIBRATIONS ARE FORMED

EXPLANATION:

When you bang a drum its skin vibrates. The harder you bang, the bigger the vibrations. The vibrating drum skin causes nearby air particles to vibrate, which in turn causes other nearby air particles to vibrate. These vibrating particles make up a sound wave.

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