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MCQEasyJEE Main 2023 · 30 January, Shift 1Bohr's Model & Hydrogen Spectrum

Physics Question from JEE Main 2023 · 30 January, Shift 1

Speed of an electron in Bohr's 7th7^{\text{th}} orbit for Hydrogen atom is 3.6×106 m/s3.6 \times 10^6 \, \text{m/s}. The corresponding speed of the electron in the 3rd3^{\text{rd}} orbit, in m/s\text{m/s}, is:

  • A

    1.8×106 m/s1.8 \times 10^6 \, \text{m/s}

  • B

    7.5×106 m/s7.5 \times 10^6 \, \text{m/s}

  • C

    3.6×106 m/s3.6 \times 10^6 \, \text{m/s}

  • D

    8.4×106 m/s8.4 \times 10^6 \, \text{m/s}

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