Refractive index of medium 1 is greater than that of medium 2 . in which case light will travel fast?

n = v1 / v2 %26gt; 1


This number is typically greater than one: the higher the index of the material, the more the light is slowed down.Refractive index of medium 1 is greater than that of medium 2 . in which case light will travel fast?
Higher the refractive index less is the speed of light in the medium.





Or if refracticve index decreases, the speed increases.





Speed of light is maximum in vacuum and is equal to 3x10^8m/s.





In any other medium it is less than this.





In glass the speed is 2x10^8m/s.





The refractive index of glass is 3/2 = 1.5.





The refractive index of water is 1.3. That is the speed of light in water is 2.3x10^8m/s.





Therefore, if refractive index decreases the speed increases.Refractive index of medium 1 is greater than that of medium 2 . in which case light will travel fast?
the more light is bent (refracted), the further it has to travel. Since a straight line is always the fastest path, light will travel faster in a material with a lower refractive index.
refractive index=speddinvaccum/speed in medium





now i think you can find it out
The answer is medium 2 because refraction can slow the appearance of light.
Yes, with greater refraction the light will have to travel farther and will take more time to reach a given destination. The higher the refractive index, the lower the speed at which light travels. Light can actually be slowed down below its speed in a vacuum which is known as c (c=186,000 miles/sec or 299,792,458 meters/sec). Because different wavelengths are slowed to different speeds, white light separates out into the full spectrum such that you can see a 'rainbow' when the white light emerges from a prism.








More detailed answers with the link below
velocity is inversely proportional to the refracting angle