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AIIMS 2011
Exam
AIIMS
Year
2011
Subject
Physics
Chapter
Atomic Physics

AIIMS 2011 · Physics · Atomic Physics

The series corresponding to minimum wavelength transition in H -atom

The series corresponding to minimum wavelength transition in H\mathrm{H}-atom

Options

  1. ABalmer series
  2. BLyman series
  3. CPaschen series
  4. DBrackett series

Correct answer

B. Lyman series

Step-by-step solution

Lyman series is obtained when an electron jumps to the first orbit (n1=1)\left(n_1=1\right) from any outer orbit \left(n_2=2,3,4 \ldots\right)\frac{1}{\lambda}=RZ[1n12−1n22]R Z\left[\frac{1}{n_1^2}-\frac{1}{n_2^2}\right]For H,Z=1andRH, Z=1 and R is the Rydberg's constant R=1.097×107 m−1R=1.097 \times 10^7 \mathrm{~m}^{-1}. In this series, the shortest wavelength or the limit of this series (For n1=1andn2=∞n_1=1 and n_2=\infty ) is nearly =911A˚=911 Å
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