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Wave/particle duality

Q2.

(a) Electrons behave in two distinct ways. This is referred to as the duality of electrons.

(i) State what is meant by the duality of electrons.

(ii) Give one example of each type of behaviour of electrons.

(3 marks)

(b) Calculate the speed of electrons that have a de Broglie wavelength of 1.70 × 10–10 m.

(2 marks)

(Total 5 marks)