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Atoms and Nuclei question

2020 · 7 Jan · Shift 1 · Q43
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Atoms and Nuclei question

2020 · 7 Jan · Shift 1 · Q43

JEE MainPhysicsAtoms and NucleiMCQ+4 / −1
The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.6 ×\times× 10-16 s. The frequency of revolution of the electron in its first excited state (in s-1) is :
  1. A
    5.6 ×\times× 1012
  2. B
    1.6 ×\times× 1014
  3. C
    7.8 ×\times× 1014
  4. D
    6.2 ×\times× 1015
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