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Audible Range, Infrasonic and Ultrasounds

Ultrasonic so...

Question

Ultrasonic sound have frequency ___.

A

below 20 Hz

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B

between 20-2,000 Hz

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C

between 2,000-20,000 Hz

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D

above 20,000 Hz

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Solution

The correct option is D above 20,000 Hz
Ultrasonic refers to sound having frequency higher than the upper audible limit of human hearing. It has frequency above 20,000 Hz.

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Similar questions

Q. Question 10
Ultrasound has frequency of vibration

(a) Between 20 and 20,000 Hz
(b) Below 20 Hz
(c) Above 20,000 Hz
(d) Between 500 and 10,000 Hz

Q. Question 10
Ultrasound has frequency of vibration

(a) Between 20 and 20,000 Hz
(b) Below 20 Hz
(c) Above 20,000 Hz
(d) Between 500 and 10,000 Hz

Q. The sounds having frequency of

20

20, 000

Q. Why do we don't hear sound below 20Hz and above 20,000Hz?

Q. Assertion :Ultrasonic waves are longitudinal waves of frequency grater than

20, 000 H z

Reason: The maximum frequency of audible sound waves is

20, 000 H z

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