Question

What is refraction how is it related to refractive index?

Answer 1

Answer:

Refraction is the bending in the path of light when it travels from one medium to another. The ratio of the speed of light in the vacuum to the ratio of the speed of light in vacuum is known as refractive index (represented by Greek letter mew). The more the refractive index, the more the bending in the path of light i.e more refraction.

Explanation:

Refractive index =

$\frac{ \sin(i) }{ \sin(r) }$

Absolute refractive index =

$\frac{c}{v}$

More v in medium, more less refractive index. From first formula,

r =

$\sin {}^{ - 1} ( \frac{ \sin(i) }{refractive \: index} )$

Lesser refractive index means that r increases (assume sin i to be constant) (The angles cannot cross 90 degrees)

Hope you understand

Answer 2

Answer:

Refraction is the phenomenon of bending of light when it propogates from one medium to another

Hope it helps and please mark as brainliest:)