Multiple choice

We can hear sound when a body is in a _____ state.

  1. vibrating

  2. solid

  3. liquid

  4. gaseous
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sound is produced when a body vibrates, creating compression and rarefaction in the surrounding medium. The vibrating body disturbs the medium particles, which then carry the sound energy. Without vibration, no sound can be produced.

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