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प्रश्न
Sound is produced by ______.
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उत्तर
Sound is produced by vibrating bodies.
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संबंधित प्रश्न
What minimum distance is required between the source of sound and the reflecting surface to hear an echo ? Give reason.
Can sound travel through (a) iron, and (b) water?
Can sound travel through vacuum?
Which of the following cannot transmit sound? Water, Vacuum, Aluminium, Oxygen gas
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
A device called oscillator is used to send waves along a stretched string. The string is 20 cm long, and four complete waves fit along its length when the oscillator vibrates 30 times per second. For the waves on the strings.
(a) what is their wavelength?
(b) what is their frequency
(c) what is their speed?
Different sound notes have different ______.
How are different sound notes generated in musical instruments like guitar, which uses strings for sound generation, and flute, which uses blown air for sound generation?
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 _______.
