Question

Which of the following be refractive index of a medium ?
a)7 5
B)5 7
C) 0.75
D) 0.57
plz anwer no spamming plz ...​

Answer 1

hii mate

Refractive Index (Index of Refraction) is a value calculated from the ratio of the speed of light in a vacuum to that in a second medium of greater density. The refractive index variable is most commonly symbolized by the letter n or n' in descriptive text and mathematical equations.

B)5 7