Speed of sound is maximum in which among the following? A. Gases B. Vaccum C. Liquids D. Solids

The speed of sound is maximum in solids. This is because the molecules in a solid are packed very closely together, so there is very little space for the sound waves to travel. In gases, the molecules are much further apart, so the sound waves have to travel a longer distance. In liquids, the molecules are closer together than in gases, but not as close as in solids. So, the speed of sound is intermediate between solids and gases. In vacuum, there are no molecules at all, so sound cannot travel.

Here is a more detailed explanation of the speed of sound in each state of matter:

• Solids: In solids, the molecules are packed very closely together. This means that there is very little space for the sound waves to travel. As a result, the sound waves can travel very quickly through solids.
• Liquids: In liquids, the molecules are closer together than in gases, but not as close as in solids. This means that there is more space for the sound waves to travel than in solids, but less space than in gases. As a result, the speed of sound in liquids is intermediate between solids and gases.
• Gases: In gases, the molecules are very far apart. This means that there is a lot of space for the sound waves to travel. As a result, the sound waves can travel very slowly through gases.
• Vacuum: In a vacuum, there are
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  no molecules at all.
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  This means that there is no medium for the sound waves to travel through. As a result, sound cannot travel in a vacuum.