Millionaire Mode

Ultrasonic Sound - Class IX

Question 1 of 22

Mark the correct application of ultrasound:

  1. Used in electrocardiography
  2. For monitoring a nuclear reaction
  3. For determining the depth of sea
  4. All

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