MCQ
The third line in Balmer series corresponds to an electronic transition between which Bohr’s orbits in hydrogen
  • A
    $5 → 3$
  • $5 → 2$
  • C
    $4 →3$
  • D
    $4 → 2$

Answer

Correct option: B.
$5 → 2$
b
(b) In Balmer series of hydrogen atomic spectrum which electronic transition causes third line

$O \to L$, ${n_2} = 5 \to {n_1} = 2$

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