Millionaire Mode

Optical Properties of Materials

Question 1 of 15

What is the refractive index of a material?

  1. The ratio of the speed of light in a vacuum to the speed of light in the material
  2. The ratio of the speed of light in the material to the speed of light in a vacuum
  3. The angle at which light is reflected from a surface
  4. The angle at which light is refracted from a surface

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000