Question

4) The absolute refractive index of a transparent medium is 5
Find the speed of light in that medium.
in and medium​

Answer 1

Answer:

Explanation:

n(absolute Refractive index of medium m) =speed of light in vacuum / speed of light in medium m

given "n" of medium, m = 5

we know that speed of light in air = 3*10^8     m/s^-1

let speed of light in medium, m = v      m/s^-1

so,

5=3*10^8 / v

v= 3*10^8/5

v=6*10^7   m/s^-1

so, speed of light in medium m is 6*10^7.