RRB NTPC CBT-1 practice question
Which of the following is an example of a noble gas used to fill electric discharge tubes for advertising signs, producing a reddish-orange glow?
From a RRB NTPC CBT-1 General Awareness practice set · General Awareness
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Correct answer: (A) Neon
Neon gas produces a characteristic reddish-orange glow when used in discharge tubes, commonly used in neon signs.
हिंदी में प्रश्न
निम्नलिखित में से कौन सी उत्कृष्ट गैस विद्युत निर्वहन ट्यूबों में भरी जाती है जो विज्ञापन संकेतों में लाल-नारंगी चमक उत्पन्न करती है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) नियॉन
नियॉन गैस निर्वहन ट्यूबों में उपयोग होने पर एक विशिष्ट लाल-नारंगी चमक उत्पन्न करती है, जो आमतौर पर नियॉन साइनबोर्ड में उपयोग होती है।
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