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At the end of the nineteenth century, luminous signs were a new phenomenon.
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∙ 13y ago
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What gas is widely used in luminous signs.?
neon
Why are luminous signs useful in fires?
Luminous signs are easier to find when there is an emergency.
Should a luminous or non-luminous Bunsen flame be used for heating in the labortary why?
.
Gas used in luminous signs?
The gas used in fluorescent lamps is argon. Neon is used for red lamps.
Which bunsen burner luminous or non luminous flame used in laboratory and why?
The blue flame is used because it is the hottest.
What type gas is used to light up a sign?
Its mostly Argon and a small amount of mercury. Its the main ingredients inside a flourescent lightbulb, which are used to light up billboards and highway signs. See the related link for more information on flourescent bulbs.
Which type of flame should use in laboratory luminous or non luminous?
Non- luminous flame should be used as it is steady and produces little or no soot.
Used for years in self luminous paint for glow-in-the-dark clock faces?
radium was used in luminous paint and for theglow in the dark clock it as it emits radioactive decay that's why its not used in luminous paint now
Should a luminous or non luminous Bunsen flame be used for heating in the laboratory and why?
Non-luminous flame should be used for heating in the laboratory because the flame is steady and produce little or no soot.Non-luminous flame is very hot thus, it is recommendable to use for laboratory purposes.Luminous flame is unsteady while non-luminous flame is steady.Another reason of using non-luminous flame because the flame of non-luminous is blue, and not visible unlike the luminous flame which is yellow in colour and visible.
What is the unit used to measure luminous intensity in the SI system?
The SI unit of luminous intensity is the candela.
Which tribe or city used star signs first?
egyptians
Is promethium used to produce light?
Promethium can be used in luminous paints.
