![State the laws of refraction of light. If the speed of light in vacuum is 3 X108 m/s, find the absolute refractive index of a medium in which light travels with a State the laws of refraction of light. If the speed of light in vacuum is 3 X108 m/s, find the absolute refractive index of a medium in which light travels with a](https://ask.learncbse.in/uploads/db3785/original/2X/6/6071056f8122055f6330a694ed8c835e1218c97b.jpg)
State the laws of refraction of light. If the speed of light in vacuum is 3 X108 m/s, find the absolute refractive index of a medium in which light travels with a
Why do we say the speed of light 'in a vacuum' when the speed of light is constant? Is 'in a vacuum' irrelevant in this statement? - Quora
![Speed of light In a vacuum, light travels at a speed of 3 x 10 8 m/s. In any other medium, such as air, water, glass, etc., light travels slower. MaterialSpeed. - ppt download Speed of light In a vacuum, light travels at a speed of 3 x 10 8 m/s. In any other medium, such as air, water, glass, etc., light travels slower. MaterialSpeed. - ppt download](https://images.slideplayer.com/37/10676249/slides/slide_2.jpg)