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The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.6 × 10 - 16 s  . The frequency of revolution of the electron is its first excited state (in s - 1  ) is

Option 1 -

7.8 * 10 14

Option 2 -

1.6 * 10 14

Option 3 -

6.2 * 10 15

Option 4 -

5.6 * 10 12

0 2 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • V

    Answered by

    Vishal Baghel | Contributor-Level 10

    a month ago
    Correct Option - 1


    Detailed Solution:

    = 5 M u 2 - 119 G M e 200 R

    T = 2 π ω = 2 π r v ∝ n 2 1 n ∝ n 3

    ∴ v = 1 T ∝ 1 n 3

    v 2 v 1 = 1 3 2 3 = 1 8

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