MCQ
Four lowest energy levels of $H-$ atom are shown in the figure. The number of emission lines could be

$n = 4$______________
$n = 3$______________
$n = 2$ _____________
$n = 1$______________

  • A
    $3$
  • B
    $4$
  • C
    $5$
  • $6$

Answer

Correct option: D.
$6$
d

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