Sound Speed in Vaccum
Sound speed varies from one medium to another medium. Sound is created when many particles create a vibration in a pattern. In a vacuum, there is zero speed of sound as a vacuum means empty. As a result, as the medium's density rises, so does the speed of sound.
As a medium transmits sound
Liquid: Compared to gases, liquids have a higher density. The distances between molecules are, therefore, greater in liquids than in solids but smaller in acids. As a result, the speed of sound in liquids is intermediate between that of gases and solids.
Solid: Due to density, molecules in solids are closer to one another than in liquids, which are closer to one another than in gases. This proximity makes it possible for molecules to collide very quickly.
Gases: Regardless of the type of gas, density is rather uniform since gases expand to fill the available space.
Sound requires a medium to travel because it is a mechanical wave. Since there is no atmosphere in the vacuum, there is no medium present. As a result, the speed of sound in a vacuum is zero. Therefore, choice 4 is right.
The speed of sound in vacuum is? (A) 344 m/s (B) 1500 m/s (C) 600 m/s (D) 0
In a vacuum, sound moves at a speed of 0. The molecules are closely packed in a dense medium, which allows the sound to travel more swiftly. The speed of sound is different for various mediums.
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