someone please explain me the topic refraction and refractive index
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Refractive index, also called index of refraction, measure of the bending of a ray of light when passing from one medium into another. If i is the angle of incidence of a ray in vacuum (angle between the incoming ray and the perpendicular to the surface of a medium, called the normal) and r is the angle of refraction (angle between the ray in the medium and the normal), the refractive index n is defined as the ratio of the sine of the angle of incidence to the sine of the angle of refraction; i.e., n = sin i / sin r. Refractive index is also equal to the velocity of light c of a given wavelength in empty space divided by its velocity v in a substance, or n = c/v.
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▶️What is Refraction :-
➡️The phenomenon in which a ray of light travelling in one (transparent) medium (usually) changes its direction of propagation (or bends its path) when it goes into another (transparent) medium.
▶️What is Refractive Index?
➡️Refractive index is the ratio of the speed of light in a given pair of media that gives us a measure of the extent of refraction (or bending) of a ray of light as it goes from one medium to another.
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Hope it helps.
Thanks for the question.
here is your answer...
___________________________________
▶️What is Refraction :-
➡️The phenomenon in which a ray of light travelling in one (transparent) medium (usually) changes its direction of propagation (or bends its path) when it goes into another (transparent) medium.
▶️What is Refractive Index?
➡️Refractive index is the ratio of the speed of light in a given pair of media that gives us a measure of the extent of refraction (or bending) of a ray of light as it goes from one medium to another.
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Anu112358:
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