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Atoms and Nuclei question

2013 · Shift 2 · Q51
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Atoms and Nuclei question

2013 · Shift 2 · Q51

JEE AdvancedPhysicsAtoms and NucleiMultiple correct+4 / −2
The radius of the orbit of an electron in a hydrogen-like atom is 4.5a0, where a0 is the Bohr radius. Its orbital angular momentum is 3h2π{{3h} \over {2\pi }}2π3h​. It is given that h is Planck constant and R is Rydberg constant. The possible wavelength(s), when the atom de-excites, is(are)
  1. A
    932R{9 \over {32R}}32R9​
  2. B
    916R{9 \over {16R}}16R9​
  3. C
    95R{9 \over {5R}}5R9​
  4. D
    43R{4 \over {3R}}3R4​
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