Question

short note on audible sound. ultrasound and infra sound...​

Answer 1

Answer:-Sound waves are divided into three categories that cover different frequency ranges. They are as follows:

(1) Audible waves are waves that lie within the range of sensitivity of the human ear. They can be generated in a variety of ways, such as by

musical instruments, human vocal cords, and loudspeakers.

(2) Infrasonic waves are waves having frequencies below the audible range. Elephants can use infrasonic waves to communicate with each other, even when separated by many kilometers.

(3) Ultrasonic waves are waves having frequencies above the audible range. Ultrasonic waves are used in medical imaging.

PLZ MARK ME AS BRILLIANT

Answer 2

audible sound is that sound which can be heard. for example human audible sound is in between 20hz and 20000hz.

infrasonic sound is below 20hz which cannot be heard by humans

while ultrasonic sound is above20000hz which also cannot be heard by human beings.