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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
Which has the higher frequency - ultrasonic sound or infrasonic sound?
Complete the following sentence:
Infrasonic sound is of frequency ______________.
Name the sound of the frequency given below:
1000 Hz
Can you hear the sound produced due to vibrations of a seconds pendulum? Give reasons.
A man can hear the sound of frequency :
Sonar makes use of :
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.
What are infrasonic and ultrasonic sounds?
State the main components of a hearing aid.
