Wave/particle dualityQ4. The diagram shows some of the electron energy levels of an atom. An incident electron of kinetic energy 4.1 × 10–18 J and speed 3.0 × 106 m s–1 collides with the atom represented in the diagram and excites an electron in the atom from level B to level D.
(4 marks)
(3 marks) (Total 7 marks) |
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