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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 ______.
Name two sources of sound.
Can sound travel through (a) iron, and (b) water?
Can sound travel through vacuum?
What is the SI unit of frequency?
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.
Describe a simple experiment to show that the prongs of a sound producing tuning fork are vibrating.
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 sound producing body is at considerable distance from a man. There can be four different media W, X, Y and Z between the sound producing body and the man. The medium X brings the sound to man most quickly whereas medium Z takes the maximum time. The time taken by medium W in bringing sound to man is less than that of X but more than that of Z. The medium Y, however, fails to bring the sound from the sound producing body to the man. Which medium could be the one :
(a) having on fixed shape and no fixed volume?
(b) having a fixed volume but no fixed shape?
(c) having the same composition as that on the moon?
(d) having a fixed shape and a fixed volume?
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 |
