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How did pressure effects the sound when temperature is constant?
Wiki User
∙ 11y ago
The atmospheric pressure has no effect on the speed of sound when the temperature is constant.
The air pressure has no influence on the sound.
Wiki User
∙ 11y ago
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How does air pressure effects a sound wave?
The speed of sound in air changes clearly with temperature, a little bit with humidity − but not with air pressure (atmospheric pressure).
Why doesn't pressure affect the speed of sound?
Pressure doesn't affect the speed of sound because the static air pressure p_ and the density ρ of air (air density) are proportional at the same temperature and because the ratio p_ / ρ is always constant whether on a high mountain or even on sea level altitude. Therefore, the speed of sound stays constant and is only dependent on the changing temperature.
What is the effect of pressure o the speed of sound?
The air pressure has no effect. The static air pressure p_ and the density ρ of air (air density) are proportional at the same temperature. The ratio p_ / ρ is always constant, on a high mountain or even on sea level altitude. That means, the ratio p_ / ρ is always constant on a high mountain, and even at "sea level". The static atmospheric pressure p_ and the density of air ρ go always together. The ratio stays constant. When calculating the speed of sound, forget the atmospheric pressure, but look accurately at the very important temperature. The speed of sound varies with altitude (height) only because of the changing temperature there.
Does the speed of the sound change from medium to medium?
Dependence of the speed of sound on the properties of the medium: The speed of sound is variable and depends mainly on the temperature and the properties of the substance through of which the wave is traveling. For example, in low molecular weight gases, such as helium, sound propagates faster compared to heavier gases, such as xenon. In a given ideal gas the sound speed depends only on its temperature. At a constant temperature, the ideal gas pressure has no effect on the speed of sound, because pressure and density (also proportional to pressure) have equal but opposite effects on the speed of sound, and the two contributions cancel out exactly. In non-ideal gases, such as a van der Waals gas, the proportionality is not exact, and there is a slight dependence on the gas pressure, even at a constant temperature. Humidity also has a small, but measurable effect on sound speed (increase of about 0.1% to 0.6%), because some oxygen and nitrogen molecules of the air are replaced by the lighter molecules of water. Cheers ebs
How temperature affect the speed of sound?
The speed of sound in air changes clearly with temperature, a little bit with humidity − but not with air pressure (atmospheric pressure).Statement: The static air pressure p_ and the density ρ of air (air density) are proportional at the same temperature, because the ratio p_ / ρ is always constant, on a high mountain or even on sea level altitude.Notice: The ratio p_ / ρ (static air pressure to air density) is really always constant.
What quantity depends on the speed of sound?
Mach 1 is the speed of sound. Mach 2 is twice the speed of sound... and so on. The speed of sound in air changes clearly with temperature, a little bit with humidity − but not with air pressure (atmospheric pressure).
How the amount of air pressure effects a sound wave?
The speed of sound in air changes clearly with temperature, a little bit with humidity − but not with air pressure (atmospheric pressure). The speed of sound c = 331.3 + 0.606 × ϑ m/s. At the temperature ϑ = 20°C the speed of sound is c ≈ 331 + (0.6 × 20) = 343 m/s.
The speed of sound in air is directly proportional to what?
The speed of sound in air changes clearly with temperature, a little bit with humidity - but not with air pressure (atmospheric pressure).Speed of sound depends mainly on the temperature.
What does high pressure do to sound?
The speed of sound does not change with atmospheric pressure. The speed of sound changes with temperature.
How does air temperature affect sound speed?
The speed of sound in air changes clearly with temperature, a little bit with humidity − but not with air pressure (atmospheric pressure).Statement: The static air pressure p_ and the density ρ of air (air density) are proportional at the same temperature, because the ratio p_ / ρ is always constant, on a high mountain or even on sea level altitude.Notice: The ratio p_ / ρ (static air pressure to air density) is really always constant.
Is sound produced when there are increases in pressure or oscillations in pressure?
The speed of sound does not change with atmospheric pressure. The speed of sound changes with temperature.
How temperature effects the velocity of sound?
By changing
