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प्रश्न
What name is given to the sound waves of frequency too high for humans to hear ?
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उत्तर
Ultrasonic sound is sound waves that are too high in frequency for human hearing.
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संबंधित प्रश्न
What is the range of frequencies associated with infrasound?
What is the range of frequencies associated with ultrasound?
Can we hear (a) infrasonic waves (b) ultrasonic waves ?
What type of sound waves are produced by a vibrating simple pendulum ?
What is the difference between infrasonic waves and ultrasonic waves ?
Choose the infrasonic waves and ultrasonic waves from the following frequencies :
(i) 10,000 Hz
(ii) 30,000 Hz
(iii) 18 Hz
(iv) 50,000 Hz
(v) 10 Hz
What are infrasonic waves ? Name two animals which produce infrasonic waves.
The audible range of frequencies of an average human ear is from 20 Hz to 20 kHz. Calculate the corresponding wavelengths. (Speed of sound in air is 344 ms–1)
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.
