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प्रश्न
What should an object do to produce sound?
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उत्तर
An object should vibrate in order to produce sound.
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संबंधित प्रश्न
Which of the following cannot transmit sound? Water, Vacuum, Aluminium, Oxygen gas
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Sound produced by a vibrating body travels to our ears by the actual movement of air.
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.
Fill in the blank with suitable word.
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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?
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