what does this statement means......the more is the speed of light, the less is the optical density and vica-versa
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here is your answer
when a ray of light passes from one optical medium to another optical medium,then the speed of the light changes due to which refraction occurs.
the extent up to which refraction occurs also depends on the optical density of the medium (it's different from the density of the medium).
a medium is called optically rarer if the speed of the light is more less than the first medium and it is called optically denser if the speed of the light is less.so the more is the speed of the light ,the less is the optical density.they are inversely proportional to each other.
it's not necessary that denser medium will be optically denser also and vice versa.
if the a ray of light passes from a rarer medium to the denser medium then ray of light bends towards normal as there is decrease in velocity of the light.
here is your answer
when a ray of light passes from one optical medium to another optical medium,then the speed of the light changes due to which refraction occurs.
the extent up to which refraction occurs also depends on the optical density of the medium (it's different from the density of the medium).
a medium is called optically rarer if the speed of the light is more less than the first medium and it is called optically denser if the speed of the light is less.so the more is the speed of the light ,the less is the optical density.they are inversely proportional to each other.
it's not necessary that denser medium will be optically denser also and vice versa.
if the a ray of light passes from a rarer medium to the denser medium then ray of light bends towards normal as there is decrease in velocity of the light.
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