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abstraction > mathematical concept > number > quantity > radiation measurement > spectral feature > spectral line > hydrogen line > Balmer line

Balmer line
subject			fact

Balmer line	has series limit 3647 Å
	has lower energy level 2
	has definition The series lies in the visible portion of the spectrum. (Deuterium Hα is 1.785 Å short-ward of hydrogen Hα)
	is a kind of spectral series line
	is a kind of hydrogen line
hydrogen line	has species hydrogen (H I)
spectral line	has transition
	has equivalent width
spectral feature	has wavelength
	has width
	occurs in
radiation measurement	has unit radiation unit
number	has value

Kinds of Balmer line :

• H alpha (5 facts)
• H beta (5 facts)
• H delta (4 facts)
• H gamma (4 facts)