Quelpr

Other parts of this question

  1. 7(a)(i)Write an equation relating the energy E associated with a photon to its wavelength λ.[1 mark]
  2. 7(a)(ii)Write an equation relating Einstein's mass-energy relationship.[1 mark]
  3. 7(b)(i)Calculate its de Broglie wavelength.[4 marks]
  4. 7(b)(ii)An oscillating molecule de-excites from one allowed energy level to the next lower one, changing energy by 2.2 eV. Calculate the frequency of the emitted…[2 marks]

More practice: the rest of this paper · more Particulate Nature of Electromagnetic Radiation questions · all CAPE Physics Unit 2 past papers