answersLogoWhite

0

When do you have an ultra sound?

User Avatar

Anonymous

15y ago
Updated: 8/17/2019

Ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing. This frequency varies from person to person, it is approximately 20 kilohertz (20,000 hertz). This is the lower limit in describing ultrasound.

User Avatar

Wiki User

15y ago

What else can I help you with?