Join ExamsbookAnswer : 4. "falling of ultra violet rays on the white inner coating of the tube"
The electrical domestic tube light gives white fluorescent light because of5
Q: The electrical domestic tube light gives white fluorescent light because of
- 1colision between molecules of filled gas under electric currentfalse
- 2heavy currentfalse
- 3vacuum inside the tubefalse
- 4falling of ultra violet rays on the white inner coating of the tubetrue
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Answer : 4. "falling of ultra violet rays on the white inner coating of the tube"
Explanation :
Answer: D) falling of ultra violet rays on the white inner coating of the tube Explanation: The ultraviolet rays have high frequency and shorter wavelength are converted to visible white light with lower frequency and greater wave length
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