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12. atoms — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics12. atoms1 Mark
MCQ
Which source is associated with a line emission spectrum
  • A
    Electric fire
  • ✓
    Neon street sign
  • C
    Red traffic light
  • D
    Sun
✓

Answer

Correct option: B.
Neon street sign
b
Neon street sign emits light of specific wavelengths.

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