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In a vacuum the speed of red and blue light are the same as all light, 300,000,000m/s. Their frequency and wavelength will be different but the speed remains the same.

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Why does red light travel faster than blue light in air?

Red light and blue light travel the same speed in a vacuum, however they travel different speeds when traveling through any medium other than a vacuum. In most media, blue light has a higher index of refraction (usually denoted with the letter n) than red light. The higher the index of refraction, the slower the light goes compared to its speed in a vacuum. This relationship is governed by the following equation: v = c/n where v is the speed of light in a particular medium, n is the index of refraction of light in that medium and c is the speed of light in a vacuum. Since red has a smaller n than blue in most media, red travels faster then blue in most media. The index of refraction is determined by solving Maxwell's equations for a particular frequency and a particular medium.


Which has a higher velocity blue light or red light?

Both blue and red light travel at the same speed in a vacuum, which is the speed of light (approximately 3 x 10^8 m/s). However, blue light has a higher frequency and shorter wavelength compared to red light.


Why do red light waves travel faster than blue light waves?

Red light waves and blue light waves travel at the same speed in a vacuum, which is the speed of light (about 299,792 km/s). The perception that red light travels faster could be due to differences in how the human eye perceives the colors or how the waves interact with materials.


Which is the same for both red light and blue light?

Red light and blue light both travel at 300 000 000 m/s (300 000 km/s) They have different wavelengths (and thus different frequencies) with red light having the longest wavelength and smallest frequency. Blue light carries more energy than red light


What light has the highest velocity in a vacuum a. red b. ultavilet c. violet d. blue e. green f. all travel at the same velocity?

f. all travel at the same velocity. In a vacuum, all colors of light travel at the same speed, which is approximately 299,792 kilometers per second. This speed is known as the speed of light.


Is it true blue light travels slower than red light because it has a shorter wave-length?

Nope, both travel at the same speed, the speed of light. the speed of light, c, is a constant and is approx. 3x10^8 meters per second Blie light does indeed have a shorter wavelength than red light this results in it have a higher frequency.


What color travels the slowest?

All colors of light travel at the same speed in a vacuum, which is the speed of light. However, in mediums like air or water, the speed of light differs for different colors due to their different wavelengths and refractive indexes. Blue light generally travels slower than red light in these mediums.


Wavelength of red light in a vacuum?

The wavelength of red light in a vacuum is approximately 700 nanometers. This places red light towards the longer end of the visible light spectrum, with shorter wavelengths corresponding to colors like violet and blue.


In what situation is the speed of waves of red light exactly equal to the speed of blue light?

speed of light is always the same, regardless of frequency/colour.


Does red light travel faster than blue light?

No. All colors travel at the same speed. It is called "the speed of light".


Does blue light have travel at a different frequency than red light in the same medium?

Yes. Blue light has a shorter wavelength, and therefore a higher frequency, than red light.


What is white light and how does it travel?

White light is simply a mix of red, green, and blue light. In a vacuum, all light travels at the speed of light (about 300,000 km per second), but it slows down a bit when passing through matter (glass, water, etc.).