Question

Distinguish between infrasonics and ultrasonics

Answer 1

when the frequency of sound wave is lower than 20 Hertz it is known as infrasonics and when the frequency of the sound wave is more than 20000 Hertz or 20 kilohertz it is known as ultrasonics.

Answer 2

The sounds of frequency less than 20Hz are called infrasonics. The infrasonic sounds have below the lower limit of human hearing. The sound of frequency more than 20,000Hz are called ultrasonics. ultrasonic sounds have a frequency above the upper limit of human hearing.

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