1.

The refractive index of a material is 1.4 if the velocity of light is 3x108m/s find the velocity in the material.​

Answer»

u1/u2=v2/v1

1/1.4=v2/3×10^8

v2=3×10^8/1.4

ans: 3×10^9/14



Discussion

No Comment Found

Related InterviewSolutions