सामान्यतः प्रयोग में लाई ज – McqOptions

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1.	सामान्यतः प्रयोग में लाई जाने वाली प्रतिदीप्ति ट्यूबलाइट पर निम्नलिखित में से कौन-सा अंकित होता है ?
A.	220 K
B.	273 K
C.	6500 K
D.	9000 K
Answer» D. 9000 K

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