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How does an ultrasound machine detect if a wave has been reflected from near the surface or deeper down in the body?
An ultrasound machine determines the depth of the reflected waves based on the time it takes for the waves to bounce back to the transducer. By measuring the time delay between when the wave was emitted and when it returns, the machine can calculate the depth at which the reflection occurred.
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What happens when a ray of light strikes a flat water surface?
Whenever light hits a water surface, some of the light is reflected off, and some of it is refracted, or "bent", deeper into the water. The proportion that is reflected and refracted depends on the wavelength of the light and the angle of incidence. When light goes straight down into the water, most of it penetrates the surface and goes into the water. When the light impacts at an angle, more of the light is reflected away.
Why water in pond feels warmer at its surface but cooler from below in summer?
During summer, the sun heats the surface of the pond more quickly than the deeper layers due to direct sunlight exposure. This results in the surface water feeling warmer. Conversely, the deeper layers of the pond remain cooler as they are not in direct contact with the sun's heat, creating a temperature difference between the surface and the bottom.
How does a particle in a surface wave move?
A particle in a surface wave moves in a circular motion, with the motion becoming smaller as you go deeper into the water. This circular motion is created by the combination of the gravitational pull and surface tension acting on the wave.
Why do objecs under water seem deeper or closer to the surface than they really are?
This phenomenon is due to light refraction. Light waves bend as they move from one medium to another of different density, such as from air to water. As a result, objects underwater may appear closer to the surface or deeper than they actually are when viewed from above water.
Why does an inflated beach ball pushed beneath the surface of water swiftly shoot above the water surface when released?
The beach ball is buoyant due to the air inside it, causing it to float. When the ball is pushed beneath the water surface, it experiences an upward buoyant force that increases as it goes deeper. When released, this buoyant force quickly propels the ball to the surface.
What happens when a ray of light strikes a flat water surface?
Whenever light hits a water surface, some of the light is reflected off, and some of it is refracted, or "bent", deeper into the water. The proportion that is reflected and refracted depends on the wavelength of the light and the angle of incidence. When light goes straight down into the water, most of it penetrates the surface and goes into the water. When the light impacts at an angle, more of the light is reflected away.
How can Ultrasound be used to measure the Depth of Sea Water?
an ultrasound wave is beamed down from a boat and then the wave bounces back from the seabed to a reciever. the longer the wave takes, the deeper the water.
Why does the water get darker when it gets deeper?
The water appears darker when it gets deeper due to increased absorption and scattering of light. As light penetrates deeper into the water, it encounters more particles and substances that absorb and scatter light, resulting in less light being reflected back to the surface. This absorption and scattering processes make the water appear darker as depth increases.
What are surface traits?
Surface traits are traits that you see on the surface, as opposed to deeper qualities--example: physical beauty.
Why do veins turn blue when they are close to the surface of the skin?
Veins appear blue when they are close to the skin's surface because of the way light interacts with the skin. The skin absorbs most of the light that hits it, but blue light is able to penetrate deeper into the skin and is reflected back to our eyes, making the veins appear blue.
What is the temperature as you go deeper in the water?
The deeper you go, the colder it gets. It is further away from the surface which is heated by the sunlight.
What is The rising of cold water from deeper layers to replace warmer surface warmer surface water?
upwhelling
How are veins positioned in relation to the skin surface?
Veins are located deeper in the body compared to the skin surface.
How does pressure change as you go from the surface toward the center if earth?
The pressure increases as you go deeper. The deeper you go the greater the pressure
How does pressure change as you go from the surface toward the center if the earth?
The pressure increases as you go deeper. The deeper you go the greater the pressure
Which surface attaches to the underlying epithelial cells or deeper tissues?
Basolateral
Why is an essence machine effective?
it help give a more deeper meaning to the play or performance.
