Recent content by shivanshu

  1. S

    High School Coloured beam in a discharge tube

    I still can't understand please be more explanatory...
  2. S

    High School Coloured beam in a discharge tube

    That means that we cannot see the cathode and anode rays without any phosphor coating?
  3. S

    High School Coloured beam in a discharge tube

    Why cathode rays which consist of electron that do not have any colour are seen as a colourful ray of light in a discharge tube??