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NEET 2025

NEET 2025 Physics question on Atoms and Nuclei

A particle of mass m is moving around the origin with a constant force F pulling it towards the origin. If Bohr model is used to describe its motion, the radius of the nth orbit and the particle's speed ν\nu in the orbit depend on n as
  1. A.
    r∝n4/3r \propto n^{4/3}; ν∝n−1/3\nu \propto n^{-1/3}
  2. B.
    r∝n1/3r \propto n^{1/3}; ν∝n1/3\nu \propto n^{1/3}
  3. C.
    r∝n1/3r \propto n^{1/3}; ν∝n2/3\nu \propto n^{2/3}
  4. D.
    r∝n2/3r \propto n^{2/3}; ν∝n1/3\nu \propto n^{1/3}
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Correct option: D

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