Q. Tube light is filled with

  • (A) Mercuric oxide and argon gas
  • (B) Sodium vapour
  • (C) Mercury vapour a low pressure
  • (D) Argon gas at a low pressure
✅ Correct Answer: (A) Mercuric oxide and argon gas

Published by Chandrakant ⭐ 6.73K Points at 09-Jun-2021 04:17 am in Physics

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