Question

infrasound has frequency greater than 20000Hz true or false​

Answer 1

Answer:

false

Explanation:

infra is considered as lower sound which a narmal human ears can't hear

Answer 2

Explanation:

The sounds having frequency less than 20Hz20Hz are called infrasonics.

The sounds having frequency greater than 20kHz20Hz are called ultrasonics.

Human beings can hear only those sounds which are in the frequency range of 20Hz to 20kHz.

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