Physics · Atomic Physics
The energy required to ionise a hydrogen-like ion in its ground state is 9 Rydbergs. What is the wavelength of the radiation emitted when the electron in this ion jumps from the second excited state to the ground state?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 18.6 nm
- 235.8 nm
- 311.4 nm✓
- 424.2 nm
Correct answer
11.4 nm
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