Question

The refractive index of a medium is 1.Find the speed of light in this medium and this identify the medium​

Answer 1

ANSWER:

v = 3 × 10^8 m/s .

medium is vacuum.

Explanation:

Refractive index n = c / v . (c = speed of light)

1 = 3.8 × 10^8 / v

v = 3 × 10^8 m/s .

since , speed of light is unchanged medium is vacuum.