Multiple choice

Sounds waves can be produced

  1. only in solids

  2. only in liquids

  3. only in gases

  4. in solid, liquids and gases

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sound waves are mechanical waves that require a material medium to propagate. They can travel through all states of matter - solids (fastest), liquids, and gases (slowest). Unlike electromagnetic waves, sound cannot travel through vacuum.