Q. What is the most commonly used substance in fluorescent tubes? (Solved)
1. Sodium oxide and argon
2. Sodium vapour and neon
3. Mercury vapour and argon
4. Mercury oxide and neon
- c. Mercury vapour and argon
1. Sodium oxide and argon
2. Sodium vapour and neon
3. Mercury vapour and argon
4. Mercury oxide and neon