Question

what is Range of Frequencies ???​

Answer 1

Answer:

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Explanation:

• Audible range of hearing of average human being is in the frequency range of 20Hz to 20KHz.

• Infrasound has a frequency below 20Hz. Ultrasound has a frequency above 20 kHz.

• Ultrasound finds application in industry, medical service & communications.

Human Ear

• Outer ear collects sound waves.

• Middle ear amplifies the sound waves.

• Inner ear converts the amplified sound energy into electrical energy & conveys to the brain as nerve impulse for interpretation.

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Answer 2

Here is your answer user.

A group of frequencies in the electromagnetic spectrum that are assigned by regulatory agencies for particular purpose.