1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Fluorescent light tube

  1. Nov 1, 2008 #1
    could anyone explain why the mercury vapour inside a fluorescent light tube is kept at a low pressure and the purpose of the coating on the inside of the tube?

    thanks
    marco
     
  2. jcsd
  3. Nov 1, 2008 #2

    LowlyPion

    User Avatar
    Homework Helper

    http://en.wikipedia.org/wiki/Fluorescent_lamp

    See also: http://en.wikipedia.org/wiki/Fluorescent_lamp#Principles_of_operation
     
    Last edited: Nov 1, 2008
  4. Nov 2, 2008 #3
    thanks for that! ;)
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook