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espressogelato
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The water looks transparent, but when the water hit the stone, it looks as if it turns white? Why?
I don't perceive this metaphor.rollete said:All those optical effects mentioned above. A bit like the same reason why a pair of corrective glasses works for one person and not for somebody else.
"the spray" here just like the drop created when the water hits the stone. For example, the bottom of the waterfall is white while the top is transparent.Drakkith said:What exactly is "spray" in this context?
espressogelato said:"the spray" here just like the drop created when the water hits the stone. For example, the bottom of the waterfall is white while the top is transparent.
Water appears transparent because it is a clear liquid that allows light to pass through without scattering. When water is in the form of spray, it is broken up into tiny droplets which scatter light in all directions, making it appear white.
The white appearance of spray is due to a phenomenon called Mie scattering. This occurs when light is scattered by particles that are larger than the wavelength of the light. In the case of water spray, the droplets are larger than the wavelength of visible light, causing the light to scatter and give the spray a white color.
In certain conditions, water can appear white like spray. This can happen when the water contains a high concentration of particles, such as in a milk or coffee solution. These particles are small enough to scatter light in all directions, giving the water a white appearance.
Spray can appear rainbow-colored when the light is being diffracted and refracted by the tiny droplets. This is known as a rainbow effect and is caused by the different wavelengths of light being separated and reflected back to our eyes.
No, the color of spray can vary depending on the size and concentration of the droplets, as well as the angle and intensity of the light hitting the spray. This can result in a range of colors, from white to rainbow-colored, or even no color at all in certain conditions.