Multiple choice

Due to its __________, ultrasound has a greater penetrating power than ordinary sound.

  1. very low frequency

  2. very high amplitude

  3. very high frequency

  4. very low amplitude

  5. none of the above

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

This is the correct option. Due to its very high frequency, ultrasound has a greater penetrating power than ordinary sound.