Question

It is an extremely low vibrational frequency

A.Supersonic frequency
B.Ultrasonic frequency
C.Megasonic frequency
D.Infrasonic frequency

Answer 1

Answer:

D. Infrasonic Frequency

• It is an extremely low vibrational frequency is Infrasonic Frequency.

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Answer 2

Answer:

Option D- Infrasonic frequency has an extremely low vibrational frequency.

Explanation:

Option A: Supersonic frequency

This frequency is greater than the upper limit of the audible range (above 20kHz).

Option B: Ultrasound

This frequency of greater than 20kHZ, and cannot be heard by human beings. Some animals like bats, birds, and dolphins create ultrasounds.

Option C: Megasonic frequency

This frequency is greater than 350kHz.

Option D: Infrasonic frequency

This frequency is below 20Hz and is inaudible to human beings.

Conclusion:

Option D- Infrasonic frequency, is the correct option as the value is below 20Hz.