0
What else can I help you with?
What element is used in fluorescent lights with argon?
Xenon and argon are the elements used in fluorescent lights.
What is the most common wattage used for bedroom lights?
40 watts
How do artists use preliminary sketches?
Preliminary sketches are used by artists for many reasons. Often they are used to work out problems with composition. They are also used as practice. The sketches can also be ideas quickly sketched out before forgotten.
Why are sodium vapour lamps used as street lights instead of simple white tube lights?
Sodium lighting is more efficient to run than white lights, and it gives an even light with less glare.
When were blue lights first used on policed cars in the us?
Blue lights were first used on a police car in the 1980's. This was in the United States.
What did the first tree have instead of lights?
People used candles to light Christmas trees before there were electric lights.
What were two things used every day through the 1800s before the gas light and electric light bulb?
Two things used every day before gas lights and electric lights were flint or matches and handmade tallow candles.
What did the first Christmas trees have instead of lights?
People used candles to light Christmas trees before there were electric lights.
Before electric lights what did people use to do?
When people used light they had to put kerosene in the lamp. Can you guess what they used for the night lights? tell me by dissusing it on the page
When was the first year of electric head lights?
Electric head lights has been used since 1917.
How were Christmas trees first lit?
Candles were used to decorate Christmas tress before the electric lights became available.
What lights used to be used in the mines?
Common types of lights used in mines in the past include open flame carbide lamps, oil-wick lamps, and safety lamps. These lights provided illumination for miners working underground before the advent of electric lighting.
What is the energy that is stored in lights?
Energy is not stored in lights (not electric ones at least). Energy is used by lights.
What is used to make colourful electric lights?
argorn
Are noble gases used in glowing electric lights?
yes
What was used before the electric light?
Gas light was used before the electric light and before gas light, candles were used.
When were elextric Christmas lights first used?
In 1882 Edward Johnson from New York City lit up a Christmas tree with electric Christmas lights for the first time.
