What is the DB level of ultra sonic sound?

The term "ultrasonic" refers to sound waves with frequencies higher than the upper audible limit of human hearing, which is generally considered to be around 20,000 Hz. Decibel (dB) is a unit used to measure the intensity or loudness of sound. It represents the ratio of the sound pressure level to a reference sound pressure level.

The concept of decibel levels does not directly apply to ultrasonic frequencies because they are beyond the range of human perception. Ultrasonic waves are typically characterized by their frequency, wavelength, and intensity or power. The intensity of ultrasonic waves is often expressed in watts per square meter (W/m²) or in terms of sound pressure level (SPL) measured in decibels relative to a reference pressure, usually 20 micropascals (µPa).

Ultrasonic waves can have various intensity levels depending on their source and application. For example, therapeutic ultrasound used in medical imaging and physical therapy may have intensity levels of several watts per square centimeter, while ultrasonic cleaners used for industrial applications may generate much higher intensity levels. The intensity and potential hazards of ultrasonic waves depend on factors such as the frequency, power output, and the specific application.