Millionaire Mode

Acoustical Metamaterials and Phononic Crystals

Question 1 of 8

What are acoustical metamaterials?

  1. Materials with properties that are not found in nature
  2. Materials that can manipulate sound waves in unusual ways
  3. Materials that are designed to absorb or reflect sound waves
  4. All of the above

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