Question

Plzz answer fast guys...


If it's correct I will mark u as brainliest ​

Answer 1

Answer:

it is quite simple that

refractive index= speed of light in vacuum / speed of light in medium

on putting values in it we will get

2.42=3x10^8/x

x=3x10^8 /2.42

x= 1.2396 x 10^8

hope it will help

Answer 2

Answer:

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