Physics · Optics and Light
सामान्यतः घरों में प्रयोग की जाने वाली 'कूल डेलाइट' प्रतिदीप्ति ट्यूबलाइट (Fluorescent Tube Light) पर निम्नलिखित में से कौन सा रंग तापमान अंकित होता है?
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