Millionaire Mode

Refractive Index and Its Measurement

Question 1 of 15

What is the refractive index of a material?

  1. The ratio of the speed of light in 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 vacuum
  3. The angle at which light bends when passing from one medium to another
  4. The amount of light that is reflected 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