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प्रश्न
What name is given to the sound waves of frequency too low for humans to hear ?
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उत्तर
Infrasonic sound is sound waves that are too low 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?
A person has a hearing range from 20 Hz to 20 kHz. What are the typical wavelengths of sound waves in air corresponding to these two frequencies? Take the speed of sound in air as 344 m s−1.
Fill in the blanks with suitable words.
A sound wave consists of places of higher pressure called ................. and places of................pressure called.................
Can we hear (a) infrasonic waves (b) 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
Which of the following sound frequencies cannot be heard by a human ear ?
(i) 10 Hz
(ii) 100 Hz
(iii) 10,000 Hz
(iv) 15 Hz
(v) 40,000 Hz
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 :
