# How fast is the color red?

Color, in other words, is simply the frequency of light. As a result, "red" travels at the speed of light. Red light waves reach your eye in approximately 7/10 of a second; orange, about 1/10 of a second; yellow, about 1/100 of a second; green, about 1/1000 of a second; blue, about 1/10000 of a second.

That's right: All colors move at the same speed. The only thing that changes is how much energy each color wave has when it reaches your eye. Red waves are the longest and carry the most energy, so they appear bright to us. Orange waves are shorter but still contain more energy than red waves, so they're brighter than red. And so on down the color spectrum until you get to violet which is even shorter than orange and very low-energy waves.

This might seem like a bit of a trick question, but it isn't! The fact is that no one knows how fast color waves actually are. They all move at the same speed because that's what we need them to do for our eyes to see them as color. Color blindness is when someone can't tell the difference between certain colors, so they need those colors to be different speeds.

## What is the fastest color?

Red light is the visible white light color that goes the quickest through a medium. All colors of various wavelengths move in straight lines at 3x108m/s in air or vacuum, and their speeds vary depending on the medium. Red light passes through most materials, including glass, rubber, and ice. It is responsible for burning your hand on hot pans because human skin has little resistance to heat.

Visible light is light that we can see. Invisible light is any other type of radiation, such as radio waves, x-rays, ultraviolet (UV) rays, and gamma rays. Visible light consists of different frequencies of electromagnetic radiation that range from 400 nm (nanometers) to 700 nm. Light above 708 nm is too long a wavelength to be seen by humans. The violet end of the spectrum is more powerful than the red end, since it takes less energy to reach the retina. So, if you could increase the amount of violet light that reaches the eye, then this would be better for you.

The human eye is sensitive to red light, so it is necessary to use filters to protect it from excessive exposure. The longer the wavelength, the higher the filtration needed. For example, UV filters are used in photography, while infrared (IR) filters are used in astronomy.

## Does red light travel at the same speed as blue light?

As a result, red light (with a low frequency and a long wavelength) travels at the same rate as blue light (high frequency, short wavelength). This is true throughout the electromagnetic spectrum. Red lights have frequencies that are too low for them to be seen by humans, but these lights can still trigger photosensitive cells in animals' eyes. These cells respond even though they are not being stimulated directly by the human eye.

This phenomenon was first demonstrated by American scientist Albert A. Michelson in 1879. He showed that the velocity of light is always the same in all directions and for all substances. Here is his experimental setup: Two parallel glass tubes are attached to each other with a rubber tube. One end of this rubber tube is closed while the other end is open to allow light to pass through. If one of the tubes is filled with oil, then the oil will slow down the light waves compared to those in the empty tube. Since oil has different properties depending on whether it is moving towards or away from the observer, this shows that the speed of light is uniform in all directions and for all substances.

In fact, this experiment demonstrates that no matter what the nature of the medium through which light passes, its speed is always the same. Light slows down when passing through a dense material like glass or water but it does not stop completely.

##### Zelma Taylor

Zelma Taylor is an artist who has been interested in art ever since she could hold a brush. She loves to paint and draw, but also enjoys working with other materials like clay or metal. Zelma's passion is to create, and she does so with joy and passion.

#### Disclaimer

TexturaTrading.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.