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Bohr's model of atom - class-X

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Multiple Choice

What is the lowest energy of the spectral line emitted by the hydrogen atom in the Lyman series? (h=Plank constant; C=Velocity of light; R=Rydberg constant)

  1. $\dfrac{5hcR}{36}$
  2. $\dfrac{4hcR}{3}$
  3. $\dfrac{3hcR}{4}$
  4. $\dfrac{7hcR}{144}$
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