YouTube blocked?
See this video using SchoolTube below:
Quiz:
Part 7
1. Fluorescent
lamps use
a.) mercury and argon
b.)
xenon and sodium
c.) helium and mercury
d.) xenon and mercury
2. Who was
the first inventor to use phosphor coatings in a discharge tube?
a.) Thomas Edison in
Orange, New Jersey
b.) Walther Nernst in Gottingen, Germany
c.) Nikola Tesla in New York
d.) Alexandre-Edmond Becquerel in Paris, France
3. What was
the first commercial method for starting fluorescent lamps?
a.) pulse start method
b.) electronic start
c.) preheat method
d.) catastrophic start
4. The efficiency
range in fluorescents according to this video is:
a.) 23-88 lumens per watt
b.) 46-105 lumens per watt
c.) 80-140 lumens per watt
d.) 90-100 watts per nautical mile
5. The fluorescent
lamp made it's first major publicity splash in the movie "Wizard
of Oz". What decade was the fluorescent lamp first released.
a.) 1940s
b.) 1920s
c.) 1950s
d.) 1930s