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प्रश्न
The region in a sound wave, with higher pressure and density, is called ______ and that with low pressure and density is called ______.
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उत्तर
The region in a sound wave, with higher pressure and density, is called compression and that with low pressure and density is called rarefaction.
संबंधित प्रश्न
Select the correct alternative :
Sound travels the fastest in
How does a musician playing on a flute change the pitch of sound produced by it ?
What minimum distance is required between the source of sound and the reflecting surface to hear an echo ? Give reason.
What is the name of the strings which vibrate in our voice box when we talk?
How does sound from a sound producing body travel through air to reach our ears? Illustrate your answer with the help of a labelled diagram.
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.
Medium is ______ for generation of sound.
Match the following:
| Human larynx | Vibrations of metal arms |
| Loudspeaker | Vibrations in air column |
| Jal-Tarang | Vibrations in vocal cords |
| Tuning fork | Vibrations in strings |
| Sitar | Vibrations of screen |
You and your friend are on the moon. Will you be able to hear any sound produced by your friend?
