Theoretically, the light would be very slightly blue-shifted because the helicopter is coming closer to you.
When the color of an object in the universe shifts towards red, it indicates that the object is moving away from the observer. This phenomenon, known as redshift, is caused by the expansion of the universe and the stretching of light waves as they travel through expanding space.
Research suggests that dogs are most distracted by the color red in their peripheral vision, as it is the most noticeable to them. Red objects may capture a dog's attention quicker than objects of other colors.
A black cup would make the ice-cube melt the fastest becauseblack substances trap in more heat than any other color.
Black coloured paper will absorb the sun's heat quicker than lighter colours.
black paper burns the fastes because it is thick and heats the quickest
A purple helicopter is a helicopter of the color purple. Really?
When the color of an object in the universe shifts towards red, it indicates that the object is moving away from the observer. This phenomenon, known as redshift, is caused by the expansion of the universe and the stretching of light waves as they travel through expanding space.
The color that vibrates the fastest in the visible spectrum is violet, which has the shortest wavelength.
The color red is known to evoke the fastest reaction in humans.
Orange and white.
it can be any thing.
Black nail polish dries the fastest
Well, with the fastest scorpion being the Eastern Sand Scorpion (Paruroctonus utahensis) the slowest is the Tri-Color Burrowing Scorpion (Ophistothalmus walberghi). Hope that helps! :.)
red
If light is subject to the Doppler effect, it will change color. The light changes color toward the lower (red) end of the spectrum or the upper (blue) end of the spectrum. Which way the color shifts depends on whether the distance between the source and the observer is increasing or decreasing. Should we find the distance is increasing, the light will be shifted toward the red end of the spectrum. This is called redshift (one word), and astronomers know this well because most all galaxies are speeding away from the Milky Way and have their light shifted toward the red end of the spectrum. If the distance between a source and observer is decreasing, the color of the light will be shifted toward the blue end of the spectrum. In either case, the amount the color is shifted will be determined by the rate the distance between the source and observer is changing. If a galaxy is moving away from the Milky Way, we'll see a shift toward red, and if another galaxy is moving away faster, will see a greater shift in the color of the light from it.
The fastest color in the rainbow is blue, as it has the shortest wavelength among the visible colors of the spectrum.
purple