What Ultrasonic Frequency Is Harmful To Humans?

What Ultrasonic Frequency Is Harmful To Humans? Although Ultrasound cannot be heard by humans, at high decibels it can still cause direct damage to human ears. Ultrasound in excess of 120 decibels may cause Hearing damage. Exposure to 155 decibels causes heat levels that are harmful to the body. Are ultrasonic frequencies harmful to humans?

What Is The Audible Range Can We Hear Sound Waves Having Frequency Of About 100 000 Hz?

What Is The Audible Range Can We Hear Sound Waves Having Frequency Of About 100 000 Hz? According to most sources, the human hearing (frequency) range is between 20 Hz and 20,000 Hz (bats can “hear” up to 100,000 Hz!). Can we hear sound waves having frequency of about 100 000 Hz? No, we can’t