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प्रश्न
Ultrasound has frequency of vibration
विकल्प
between 20 and 20,000 Hz
below 20 Hz
above 20,000 Hz
between 500 and 10,000 Hz
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उत्तर
above 20,000 Hz
Explanation:
Ultrasound has frequency of vibration above 20000 Hz.
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संबंधित प्रश्न
Complete the following sentences:
An average person can hear sound of frequencies in the range ______ to _________.
Complete the following sentence:
Ultrasound is of frequency ___________.
Name the sound of the frequency given below:
100 Hz
The properties of ultrasound that make it useful are
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What is Galton’s whistle? To what use is it put?
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.
The range of audible frequency for the human ear is
