s-Block ElementsHard
Question
Which property of sodium is being used in street lights?
Options
A.It shows photoelectric effect
B.It has low melting point
C.Sodium atom emits photons in the yellow region of visible spectrum , due to electrically stimulated transitions
D.Sodium vapours show golden colour
Solution
The property of sodium atom to emit photons in yellow region of visible spectrum due to electrically stimulated electron transitions is used in street lights.
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