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प्रश्न
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.
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उत्तर
False. The sound produced by a vibrating body is a longitudinal wave where energy is transmitted through the medium by successive compressions and rarefactions.
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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 ?
Can sound travel through vacuum?
Which object is vibrating when the following sounds are produced?
(i) The sound of a sitar
(ii) The sound of a tabla
(iii) The sound of a tuning fork
(iv) The buzzing of a bee or mosquito
(v) The sound of a flute
When the pitch of note produced by a harmonium is lowered, then the wavelength of the note :
How is sound produced in a human larynx and a loudspeaker?
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 _______.
______ is produced when an object is set to vibrate.
The substance through which sound is transmitted is called ______.
