Millionaire Mode

Light and sight - class-X

Question 1 of 21

For a total internal reflection, which of the following is correct?

  1. Light travel from rarer to denser medium.
  2. Light travel from denser to rarer medium.
  3. Light travels in air only.
  4. Light travels in water only.

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