Millionaire Mode

Optical Metrology

Question 1 of 15

What is the basic principle behind optical metrology?

  1. Using light to measure physical quantities
  2. Using sound to measure physical quantities
  3. Using electricity to measure physical quantities
  4. Using magnetism to measure physical quantities

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