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प्रश्न
What is the range of frequencies associated with ultrasound?
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उत्तर
Frequencies higher than 20 kHz are called ultrasonic sound or ultrasound.
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संबंधित प्रश्न
What is the range of frequencies associated with infrasound?
Can we hear (a) infrasonic waves (b) ultrasonic waves ?
What name is given to the sound waves of frequency too low for humans to hear ?
What name is given to the sound waves of frequency too high for humans to hear ?
What is the difference between infrasonic waves and ultrasonic waves ?
What is the frequency range of hearing in humans ?
What are infrasonic waves ? Name two animals which produce infrasonic waves.
What are ultrasonic waves ? Name two animals which can produce ultrasonic waves.
One of the following can hear infrasound. This one is :
For hearing the loudest ticking sound heard by the ear, find the angle x in Fig.12.4.
