CAPE Physics Unit 2 · 2009 · Paper 1 · Question Q35
Item 35 refers to the drawing below which shows an energy level diagram for hydrogen. What is the energy required to ionize a hydrogen atom in its ground state?
- (A)
0.38\text{ eV} - (B)
10.2\text{ eV} - (C)
13.6\text{ eV} - (D)
20.3\text{ eV}
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