Q22 / 104 · NTA Abhyas (JEE Main) 2020 · Physics · Atomic Physics

If the series limit wavelength of the Lyman series of hydrogen atom is 912 Å, then the series limit wavelength of the Balmer series of the hydrogen atom is

  • A
    912 Å
  • B
    1824 Å
  • Correct answer
    C
    3648 Å
  • D
    456 Å

Solution

For series limit of Balmer series,

n2=2, n1=∞

1λ=R1n22-1n12

=122-1∞2=R4

∴λ=4R=410967800 m

=4×912×10-10 m

=3648 Å

Hence, the correct answer is option: 'C'.

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