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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.
Explain why you can predict the arrival of a train by placing your ear on the rails without seeing it.
What minimum distance is required between the source of sound and the reflecting surface to hear an echo ? Give reason.
Can sound travel through vacuum?
What will be the change in the wavelength of a sound wave in air if its frequency is doubled?
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.
A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case :
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 |
The vibrations of a simple pendulum are also known as _______.
