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why neon is used in illuminatig warning signal?

why neon is used in illuminatig warning signal?

Grade:11

2 Answers

Gaurav
askIITians Faculty 164 Points
7 years ago
Neon gas is used in warning signals because when electric current is applied to it, it emits an orange/red colour light. As we know orange/red light is used for warning signals it makes it very useful to use the tubes containing neon gas for producing warning signals.
Anish Pandit
19 Points
5 years ago
It is bcz of the reason that when electric current is passed through it orange red light is emitted which can penetrate through fog and mists

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