The wavelength of visible light increases from violet to red colour . It is highest for red colour. Hence, red colour travels fastest in any medium except air.
Which color light travels fastest?
Because the colors of light travel at different speeds, they get bent by different amounts and come out all spread out instead of mixed up. Violet travels the slowest so it is on the bottom and red travels the fastest so is on the top.
Which medium light is fastest?
So light will travel faster in water. Light shows the maximum velocity in a vacuum . So there is a vacuum in the options, you can be sure that it is the medium through which light travels faster. Air also has a refractive index very close to one (n=1.003) but not less than vacuum.
Which colour of light travels slowest in any medium except air?
As the refractive index of red color is less as described above, the velocity of red light will be more in any medium except air. Hence option A is the answer.
In which medium light travels fastest Class 10?
The refractive index of water medium is the least amongst all the given media. Therefore, the light will be travelling fastest in the water medium.
What color travels the farthest?
Did you know that, in light that is visible, the wavelength of red light is the longest? The light of red color can penetrate to a longer distance than other lights because it is scattered the least by air molecules in the atmosphere and therefore red can actually be seen from the farthest distance!
Which light travels faster in vacuum?
Yes light travels faster in vacuum than any other medium. This is because there is no obstruction in vacuum for the propagation of light and thus, the refractive index of vacuum is the lowest. Show the speed of light in vacuum is the maximum.
Why does light travel faster in air than water?
And you might even know that light bends because it travels slower through glass or water than through air. ... Electromagnetic waves simply travel slower through glass than through air. So the wave crests are closer to each other, but the light still oscillates the same number of times per second. It stays the same color.
Does light travel faster in denser mediums?
A denser medium provides more matter from which the light can scatter, so light will travel more slowly in a dense medium. A slower speed means a higher index of refraction, so n 2 > n 1 , as indicated in the image on the left.
In which medium does light travel the fastest water or diamond?
<br> (ii) What is the refractive index of diamond with respect to water? Refractive index = speed of light in vacuum / speed of light in medium. Since the refractive index of diamond is more, hence the speed of light is lesser in diamond.
Which has highest refractive index?
diamond , has the highest refractive index among the following. 2) Relative refractive index , where the ratio is taken between the speed of light in two mediums other than vacuum.
Which colour of light travels fastest in glass?
So according to equation (1) velocity of light is directly proportional to the wavelength. So violet color has minimum velocity of light and red color has maximum velocity of light when it passes through the glass. Hence the red color of white light travels fastest in the glass.
Which light travels fastest in rainbow?
During dispersion through prism, red light travels fastest and violet travels slowest of all the seven colours.
What is Snell’s law state it?
Snell’s Law states that the ratio of the sine of the angles of incidence and transmission is equal to the ratio of the refractive index of the materials at the interface .
Does light travel faster in oil or water?
Why? More is the refractive index of a medium, lesser is the speed of light in that medium. Thus, speed of light is highest in water than in oil as oil is denser than water.
Which color light travels faster in air?
Red colour travels the fastest as its wavelength is the highest.
