Question

Velocity of light in air is 3 x 10^8 m/s, while its velocity in a medium is 2.5 x 10^8m/s. Then find the
Refractive Index of the medium.​

Answer 1

Answer:

1.2

Explanation:

since; (refractive index) n = C/V

n= 3 x 10^8 m/s / 2.5 x 10^8m/s

n=1.2

Answer 2

Answer:

THEREFORE, refractive index of the medium is 1.2

Explanation:

V1=3 x 10^8 m/s,

V2=2.5 x 10^8m/s

TO FIND: refractive index

2n1=V1

V2

2n1=3×10^8

2.5×10^8

2n1=1.2

THEREFORE, refractive index of the medium is 1.2