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2 marksParticulate Nature of Electromagnetic Radiation

CAPE Physics Unit 2 · 2003 · Paper 1 · Question 7(d)(i)

An electron makes a transition from the n = 3 state to the n = 1 state.

Calculate the frequency of radiation emitted.

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Other parts of this question

  1. 7(a)State THREE experimental facts about the photoelectric effect which support the particulate (photon) model of light.[3 marks]
  2. 7(b)When ultraviolet light is incident on an insulated metal plate, the plate emits electrons for a while and then stops. Explain why the process eventually stops.[1 mark]
  3. 7(c)(i)Determine the amount of energy it will take to ionize an electron from the ground state.[1 mark]
  4. 7(c)(ii)State what will happen if a 6 eV photon strikes the atom.[1 mark]
  5. 7(d)(ii)Calculate the wavelength of radiation emitted.[1 mark]
  6. 7(d)(iii)In which region of the electromagnetic spectrum would this radiation be found?[1 mark]

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