Millionaire Mode

Black Holes and the Kruskal Diagram

Question 1 of 14

What is the event horizon of a black hole?

  1. The boundary beyond which nothing, not even light, can escape
  2. The center of a black hole
  3. The region of spacetime where gravity is strongest
  4. The point of no return

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