Which of the following modes is utilised in the production of sound by humans ?
(a) vibrating membranes (b) vibrating plates (c) vibrating strings (d) vibrating air columns
Name one musical instrument each in which the sound is produced :
(a) by vibrating a stretched siring.
(b) by vibrating air enclosed in a tube.
(c) by vibrating a stretched membrane
(d) by vibrating metal plates.
Which of the following vibrates when a musical note is produced by the cymbals in an orchestra ?
(a) stretched strings
(b) stretched membranes
(c) metal plates
(d) air columns
(a) What is the name of the strings in the human voice box which vibrate to produce sound?
(b) What makes these strings vibrate?