Question

plz give answer plz .

​

Answer 1

Answer:

your answer was 2

Step-by-step explanation:

please MARK ME AS BARANLI LIST PLSSSSSSSSSSSSSSSSSSSSSSSSSSSS DEAR

Answer 2

Answer:

In optics, the refractive index of a material is a dimensionless number that describes how fast light travels through the material. It is defined as where c is the speed of light in vacuum and v is the phase velocity of light in the medium

Sorry For above

Step-by-step explanation:

Thank You So Much Berry for Congratulating

Btw, What happen to you

Why are you Sad..

Ur Bio is Hurting my Heart

Pls Tell me..

If You Trust me

Pls do Tell me...

I Purple You Forever