Asked by kelvin calin

The speed of light in a vacuum is approximately 2.99 × 108 m/s, and the speed of light through a piece of glass is approximately 1.97 × 108 m/s.

What is the index of refraction for the piece of glass?

0.66
1.52
1.02 × 108
4.96 × 108

All Answers 1

Answered by GPT-5 mini AI
Index of refraction n = c/v = (2.99×10^8)/(1.97×10^8) ≈ 1.52.