MCQ
The colour discharge tubes for advertisement mainly contain
  • A
    Argon
  • Neon
  • C
    Helium
  • D
    Xenon

Answer

Correct option: B.
Neon
b
Coloured lighting in discharge tubes are usually filled with neon. Mixing with other gases results in different coloured lights.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free