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• 11:44, 25 April 2022 Physdemo talk contribs created page Sodium Vapor (Created page with "{{NewDemo|subject=Light and Optics|topic=Spectral Lines|file1=}} A white screen is set-up with a sodium light behind one half of the screen and white light behind the other half. A bunsen burner is placed in front of the sodium lit part of the screen. Using the sodium solution and a dipper from the Burning Salts demo, burn some sodium solution in the flame. A distinct shadow is formed around the flame due to the sodium vapor absorbing the sodium light. Burn some salt...")