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प्रश्न
What do you understand by the term infrasonic vibrations?
उत्तर
Infrasonic vibrations: Those vibrations whose frequency is less than 20 hertz are known as infrasonic vibrations
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संबंधित प्रश्न
Complete the following sentences:
An average person can hear sound of frequencies in the range ______ to _________.
Name the sound of the frequency given below:
10 Hz
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State two applications of ultrasound.
What do you understand by the term sonic vibrations? State the range of sonic vibrations for the human ear.
Name three animals which can hear ultrasonic vibrations.
The sonic boom of an aircraft has a time period of 0.00005s. Calculate the frequency of sound produced.
State the main components of a hearing aid.
State the properties of ultrasound that make it useful.
Ultrasound has frequency of vibration
