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प्रश्न
Select the correct alternative :
Sound travels the fastest in
विकल्प
liquids
solids
gases
vacuum
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उत्तर
solids
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संबंधित प्रश्न
Fill in the blank.
Sound is produced when a body ______.
Which characteristics of the sound helps you to identify your friend by his voice while sitting with others in a dark room?
What is the SI unit of frequency?
What should an object do to produce sound?
What will be the change in the wavelength of a sound wave in air if its frequency is doubled?
Name four ways in which sound can be produced.
Fill in the blank with suitable word.
When the frequency of the sound is increased, the wavelength ____________.
When the pitch of note produced by a harmonium is lowered, then the wavelength of the note :
A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case :
You and your friend are on the moon. Will you be able to hear any sound produced by your friend?
