If the speed of an electron in the ground state of hydrogen atom is 2.2 10^6 m s ^ -1 …
Physics · Class 12 · CBSE — Atoms
If the speed of an electron in the ground state of hydrogen atom is \(2.2 \times 10^6\text{ m s}^{-1}\), find its speed in the fourth orbit (\(n = 4\)).
- 6.8 × 106 m s–1
- 8.8 × 105 m s–1
- 5.5 × 105 m s–1
- 5.5 × 106 m s–1
Answer
(C) 5.5 × 10 5 m s –1
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