get the app

Question: What is the most commonly used substance in fluorescent tubes ?
1)sodium oxide and argon
2)sodium vapour and neon
3)mercury vapour and argon
4)mercury oxide and neon

Previous Next

Suggest other answer
Login to Discuss/suggest the answer...

Exam Exam: Electricity And Magnetism QUESTIONS

Subscribe here for free mock test on IAS PCS SSC and other competitive exam. Signup here to get SSC CGL Solution and main exam study material