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प्रश्न
What is the audible range of the average human ear?
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उत्तर
The audible range of an average human ear lies between 20 Hz and 20,000 Hz. Humans cannot hear sounds with frequencies less than 20 Hz and greater than 20,000 Hz.
संबंधित प्रश्न
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.................
Name the organs of hearing in our body.
What name is given to the sound waves of frequency too low for humans to hear ?
What type of sound waves are produced by a vibrating simple pendulum ?
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
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What are ultrasonic waves ? Name two animals which can produce ultrasonic 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)
For hearing the loudest ticking sound heard by the ear, find the angle x in Fig.12.4.
