Sound is produced due to the vibration of _______ in human beings.
teeth
vocal cords
tongue
lips
Out of a man and a woman :
(a) who has shorter vocal cords?
(b) who produces a sound of a higher pitch?
Which of the following frequency of sound can be generated by a vibrating simple pendulum as well as by the vibrating vocal cords of a rhinoceros ?
(a) 5 kHz
(b) 25 Hz
(c) 10 Hz
(d) 15,000 Hz
What is the frequency of the sound produced when the vocal cords are : (a) tight and thin (b) loose and thick?