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प्रश्न
What is vibration?
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उत्तर
Vibration means a kind of rapid to and from motion of an object
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संबंधित प्रश्न
What is the general name of the waves consisting of :
(a) compressions and rarefactions?
(b) crests and troughs?
A tuning fork has a number 256 marked on it. What does this number signify?
Give reason for the following :
In most of the cases, we cannot see the vibrations of a sound producing object with our eyes.
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.
When the pitch of note produced by a harmonium is lowered, then the wavelength of the note :
Different sound notes have different ______.
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 _______.
The substance through which sound is transmitted is called ______.
