Millionaire Mode

Energy-Efficient Lighting Measurement and Verification: Ensuring Accuracy

Question 1 of 15

Which of the following is NOT a commonly used lighting metric for energy efficiency?

  1. Illuminance (lux)
  2. Luminous efficacy (lumens per watt)
  3. Color rendering index (CRI)
  4. Power factor

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