If the electron speed in the first Bohr orbit of hydrogen is approximately 2.19 × 10^6 m/s, its speed in the second orbit is approximately
Options
- A. 1.095 × 10^6 m/s
- B. 2.19 × 10^6 m/s
- C. 4.38 × 10^6 m/s
- D. 0.548 × 10^6 m/s
- E. None of the above
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Correct Answer (Detailed Explanation is Below)
A. 1.095 × 10^6 m/s
Detailed Explanation
The Bohr speed varies as 1/n, so the second-orbit speed is 2.19 × 10^6 / 2 = 1.095 × 10^6 m/s.
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