Saved Bookmarks
| 1. |
What do u mean by Ultrasonic waves ?? GOOD MORNING AND HAVE A NICE DAY Do answer the question properly |
| Answer» ULTRASONICS, vibrations of frequencies greater than the upper limit of the AUDIBLE range for humans—that is, greater than about 20 KILOHERTZ. The term SONIC is applied to ultrasound waves of very high amplitudes. | |