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When a sound wave moves past a point in air what happens to the density of air at this point?
The density of air increases and then decreases as the sound wave passes.
What does a velometer measure?
Air velocity in ventilation systems
What is the speed of the wave if the frequency of Hz and the wavelenghth of 87 m?
The velocity of a traveling wave is dependent on the composition of the conducting medium. Not directly on frequency. Though many conductive media are frequency dispersive - they conduct different frequencies at different speeds. Thus we get our rainbow. In air, sound travels about 300m/sec. But in water, about three times that velocity. And in metals, about ten times that velocity.
What force is it when a big truck passes you on the highway?
The shock wave all objects make as they push air out of their way to move. A truck has a substantial bow shock you can feel. The air currents you produce as you pass a desk and a piece of paper moves.
Is terminal velocity a type of friction?
No. Terminal velocity is a particular kind of velocity and friction is a particular kind of force. The terminal velocity of a falling object is the maximum velocity it can have because air resistance prevents it from going any faster. And air resistance is a type of friction. So terminal velocity is due to a type of friction.
The velocity of a sound wave travel though the air is approximately?
Velocity of sound in air is 324m/s.
A light wave passes at an angle through a chunk of glass into the air. What happens to it in respect to the normal Why?
The light wave will refract (bend) as it passes from the glass to the air. This is because the speed of light changes when it enters a medium of different optical density, causing the path of the light wave to bend at an angle. The bending occurs due to the change in the velocity of light in the two mediums, causing it to deviate from the normal.
What happens to the direction of the wave as it passes into the air?
The direction of the wave will eventually change to where the wind is blowing.
When a wave travelling in air enters into a waveguide The phase velocity will increase?
When a wave enters a waveguide from air, the phase velocity will decrease. This is because waveguides typically have a higher refractive index than air, causing the wave to slow down as it enters the waveguide.
When the temperature of the air is 25 degrees the velocity of a sound wave traveling through the air is?
when the temperature of the air is 25 degrees Celsius, the velocity of a sound wave traveling through the air is approx.
When a sound wave moves past a point in air what happens to the density of air at this point?
The density of air increases and then decreases as the sound wave passes.
What is a refractive wave?
It means that the wave changes direction when it passes from one medium to another - for example, from air to water, or from denser air to less dense air.
What is a refracted wave?
It means that the wave changes direction when it passes from one medium to another - for example, from air to water, or from denser air to less dense air.
When the tmperature of the air is 25 C the velocity of a sound wave traveling through the air is aproximately?
340m/s
Which characteristic of a light wave must increase as the light wave passes from glass into air?
The wavelength of the light wave must increase as it passes from glass into air. This is because light travels faster in air than in glass, causing the wavelength to stretch out as the wave exits the denser medium.
When the temperature of the air is 25centermeter the velocity of a sound waves traveling?
rarefactionoccurs only in-wave
What happens to the frequency and speed of an electromagnetic wave as it passes from air into glass?
As the electromagnetic wave passes from air into glass, the frequency remains the same, but the speed decreases. This is due to the change in the medium's refractive index, which causes the wave to slow down as it travels through the denser medium of glass.
