Exploring Sound in Low Atmosphere: Speed, Intensity, and Frequency

In summary, the speed of sound changes as altitude increases due to changes in temperature, also known as Mach 1. The behavior of sound in different parts of the atmosphere is dependent on the temperature changes. There is no sound in space due to the lack of particles to transmit the pressure wave, and in the atmosphere, the speed, intensity, and frequency of sound may vary depending on altitude and temperature. These concepts can be further explored through the provided references.
  • #1
brendanbarnes
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There is no sound in space because there are not enough particles to transmit the pressure wave. But what about really high in the atmosphere where there is just a little air? Would sound move faster, slower or at the same speed? Would the intensity (aka volume) go up, down, or stay the same? And would the frequency go up, down, or stay the same as it traveled through space?

Here are some references that I have personally looked at that might spark good thoughts:
http://www.feynmanlectures.caltech.edu/I_47.htmlhttps://www.khanacademy.org/science...ve-speed-of-sound-in-solids-liquids-and-gases
Thanks,
Brendan
 
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The speed of sound does change as altitude increases. That speed is called Mach 1. How it changes depends a lot on how the temperature changes. So its behavior changes in different parts of the atmosphere. See Mach vs. Altitude Tables .
 

What is sound?

Sound is a form of energy that is created by vibrations and travels through a medium, such as air, water, or solids. It is a type of wave that can be heard by our ears and is essential for communication and understanding our environment.

How does sound travel in low atmosphere?

In low atmosphere, sound travels through the air in a similar way as it does in higher atmosphere. However, the air in low atmosphere is less dense, which means that sound waves can travel faster and farther. This is why sound can be heard over longer distances in low atmosphere compared to higher atmosphere.

What is the speed of sound in low atmosphere?

The speed of sound in low atmosphere is approximately 343 meters per second, which is slightly faster than in higher atmosphere. This is because the air in low atmosphere is less dense, allowing sound waves to travel faster.

How does intensity affect sound in low atmosphere?

The intensity of sound in low atmosphere is affected by the density of the air. As the air becomes less dense, the intensity of sound decreases. This means that sound can be heard over longer distances in low atmosphere, but it may be quieter compared to sound in higher atmosphere.

What is the relationship between frequency and pitch in low atmosphere?

In low atmosphere, the frequency of sound waves determines the pitch of the sound. Higher frequency sound waves have a higher pitch, while lower frequency sound waves have a lower pitch. The density of the air in low atmosphere can also affect the frequency of sound waves, which can in turn affect the pitch of the sound.

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