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» <html><body><p><strong>u1/u2=v2/v1</strong></p><p><strong></strong></p><p><strong>1/1.4=v2/3×10^8</strong></p><p><strong></strong></p><p><strong>v2=3×10^8/1.4</strong></p><p><strong></strong></p><p><strong>ans: 3×10^9/14</strong></p><p></p></body></html>


Discussion

No Comment Found

Related InterviewSolutions