Question:
विजेच्या बल्बमध्ये वळवळ वनस्पतीसाठी टंगस्टन धातूचा उपयोग करतात.
विजेच्या बल्बमध्ये वळवळ वनस्पतीसाठी टंगस्टन धातूचा उपयोग करतात.
Updated On: Nov 7, 2025
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Solution and Explanation
टंगस्टन (W) धातूचा उपयोग कारण त्याचा वितळण्याचा बिंदू खूप उच्च ( 3422°C) आहे. त्यामुळे उच्च तापमानाला देखील ते वितळत नाही आणि प्रकाश उत्पादनासाठी योग्य ठरतो.
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