module 4: Fluorescent lamp quiz

In 1856 – an inventor from Germany; was the first to extensively study the arc tube. His tube was the foundations for all arc discharge lamps including HID lamps.

• Alexandre-Edmond Becquerel

• Nikola Tesla

• Heinrich Geissler

• Daniel McFarlan Moore

In 1859 - He first used phosphors on the inside of a glass discharge tube. He was the first to use a phosphor coating.

• Alexandre-Edmond Becquerel

• Nikola Tesla

• Heinrich Geissler

• Daniel McFarlan Moore

In 1891 - _____________ created an induction lamp. This lamp had greenish unpleasant phosphors. It was not really a "fluorescent lamp" as we know today because it did not have electrodes.

• Alexandre-Edmond Becquerel

• Nikola Tesla

• Heinrich Geissler

• Daniel McFarlan Moore

In _____ - Edmund Germer came very close to developing the modern fluorescent lamp. His lamp used UV rays from mercury vapor. It glowed a greenish color due to his phosphors, but had a short life.

• 1925

• 1926

• 1927

• 1928

In _____ - George Inman along with Richard Thayer, Eugene Lemmers, and Willard A. Roberts develop the first true fluorescent lamp

• 1934

• 1984

• 1974

• 1944

In ____ - John M. Anderson developed many improvements in the fluorescent lamp: short arc fluorescent lamp, fluorescent lamp without ballast.

• 1934

• 1984

• 1974

• 1944

In ____ - John M. Anderson developed many improvements in the fluorescent lamp: short arc fluorescent lamp, fluorescent lamp without ballast.

• 1934

• 1984

• 1974

• 1944

What is fluorescent lamp ?

•  a source of electric light that works by incandescence

• a gas-discharge lamp that uses an electric arc through vaporized mercury

• a low-pressure mercury-vapor gas-discharge lamp

• lighting device consisting of a transparent container within which a gas is energized by an applied voltage

     The ionization Mercury vapor produces radiation that activates the fluorescent coating on the inner surface of the glass, fluorescent coating is made of ____________

• INNERT GAS

• PHOSPHOR

• LITHIUM

The common fluorescent lamp is a hot- cathode type which consists of a sealed glass tube provided with a mixture of Mercury vapor and inert gas .    

• TRUE

• FALSE