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प्रश्न
Different sound notes have different ______.
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उत्तर
Different sound notes have different frequencies.
संबंधित प्रश्न
Explain how sound is produced by your school bell.
Select the correct alternative :
Sound travels the fastest in
What minimum distance is required between the source of sound and the reflecting surface to hear an echo ? Give reason.
What is the general name of the waves consisting of :
(a) compressions and rarefactions?
(b) crests and troughs?
State whether the following statement is true or false :
Sound produced by a vibrating body travels to our ears by the actual movement of air.
What will be the change in the wavelength of a sound wave in air if its frequency is doubled?
Give reason for the following :
In most of the cases, we cannot see the vibrations of a sound producing object with our eyes.
Which kind of sound is produced in an earthquake before the main shock wave begins ?
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 |
Describe an experiment to show that sound cannot travel through vaccum.
