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stop lights don't have gas in them; it's just the color of the cover on the light.
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∙ 14y ago
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Dont you think color lights are harmful for our eyes People using color lights in homes or in their rooms Why shouldnt manufacturers stop making such lights which are harmful for humans?
Yes the usage of color lights can affect our eye sight, so it is not recommendable to use color light in rooms especially in study rooms. It also affects our sleeps. The manufacturers produce color lights because though it cant be used at homes, it is used in parties, bars outdoors etc.
Can colours alert us to danger?
Yes. The color red is often used as a warning.This includes:poisonous food (eg: berries)traffic lights and stop signsexit signsblood
What gas is used to produce red color?
Helium
What color are the lights used to outline taxiways?
yellow and black
When signal lights are not working drivers should stop and follow the procedures used at an intersection controlled by?
Stop signs
What color of Christmas lights can be used for Halloween decorations?
White lights go with any holiday. Halloween, Easter, Christmas; it is all dependent upon how the lights are used. White lights make great outlines for lawn ornaments.
What is a gas used in lighted signs to produce a red color?
Neon
What is used in television tubes to produce the color red?
Europium
When signal lights are not working drivers should stop and follow the procedures used at an intersection controlled by what?
four-way stop
Is it must to use white candles to produce electricity?
Candles (of whatever color) are not used to produce electricity, they are used for light, and for ceremonial purposes.
How do Noble glasses produce the vivid colors in advertising lights?
When electrical currents re passed through certain gasses (not glasses) the molecules become excited, and give off photons. The color depends on the gas used.
Why would a bus stop need solar panels?
Most likely , they're used for powering lights in the bus stop shelter.
