Infrasound and Its Applications

Casual Mode - Take your time!

1 / 15
✓
Correct
0
✗
Incorrect
0
★
Score
0%
Multiple Choice

What is infrasound?

  1. Sound waves with frequencies below 20 Hz
  2. Sound waves with frequencies above 20 kHz
  3. Sound waves that are inaudible to humans
  4. Sound waves that are produced by animals
Change Mode