MCQ
How many spectral line of Balmer series present in visible region :
- A$5$
- ✓$4$
- C$2$
- D$3$
$n_{1}=2$ and $n_{2}=3,4,5,6, \ldots \ldots$
In balmer series, four spectral lines are available in visible region. These spectral lines have wavelengths greater than $400 \,nm$ and smaller than $700\, nm$.
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