The use of high-frequency fluorescent lights has been gaining popularity as an alternative light source because they are user-friendly and economic.
Fluorescent lighting has two major advantages over tungsten, namely
● Better efficiency, or more correctly efficacy, producing 3–4 times more light for each watt of electrical power.
● Little heat radiated in the light beam.
Recently, following the dramatic reduction in illumination requirements, the development of fluorescent tubes with acceptable colour rendition and the development of suitable fluorescent fixtures have made the fluorescent light source viable in television.
It should be remembered that any saving in lighting power is reflected ...