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प्रश्न
How does a musician playing on a flute change the pitch of sound produced by it ?
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उत्तर
In musical instruments like flute and clarinet, the pitch of sound is changed by changing the length of vibrating air column when different holes in it are closed.
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संबंधित प्रश्न
Which of the following cannot transmit sound? Water, Vacuum, Aluminium, Oxygen gas
Name the physical qantity whose SI unit is 'hertz'.
What is the general name of the waves consisting of :
(a) compressions and rarefactions?
(b) crests and troughs?
Give reason for the following :
In most of the cases, we cannot see the vibrations of a sound producing object with our eyes.
Describe a simple experiment to show that the prongs of a sound producing tuning fork are vibrating.
A sound producing body is at considerable distance from a man. There can be four different media W, X, Y and Z between the sound producing body and the man. The medium X brings the sound to man most quickly whereas medium Z takes the maximum time. The time taken by medium W in bringing sound to man is less than that of X but more than that of Z. The medium Y, however, fails to bring the sound from the sound producing body to the man. Which medium could be the one :
(a) having on fixed shape and no fixed volume?
(b) having a fixed volume but no fixed shape?
(c) having the same composition as that on the moon?
(d) having a fixed shape and a fixed volume?
A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing rang. This note must then be passing through.
Figure X shows a trace of a sound wave produced by a particular tuning fork :
(a) On the graph paper given in Figure Y, draw a trace of the sound wave which has a higher frequency than that shown in figure X.
(b) On the graph paper show in Figure Z, draw a trace of the sound wave which has a larger amplitude than that shown in Figure X.
Different sound notes have different ______.
You and your friend are on the moon. Will you be able to hear any sound produced by your friend?
