MCQ
The wavelength of light emitted from second orbit to first orbits in a hydrogen atom is
  • $1.215 \times 10^{-7} \mathrm{~m}$
  • B
    $1.215 \times 10^{-5} \mathrm{~m}$
  • C
    $1.215 \times 10^{-4} \mathrm{~m}$
  • D
    $1.215 \times 10^{-3} \mathrm{~m}$

Answer

Correct option: A.
$1.215 \times 10^{-7} \mathrm{~m}$
$1.215 \times 10^{-7} \mathrm{~m}$

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