Note AcademyNote Academy

Energy and momentum of a photon

22.1

What the syllabus asks of you

  • understand that electromagnetic radiation has a particulate nature
  • understand that a photon is a quantum of electromagnetic energy
  • recall and use E = hf
  • use the electronvolt (eV) as a unit of energy
  • understand that a photon has momentum and that the momentum is given by p = E / c

Read the notes first

Chapter 22: Energy and momentum of a photon

Open the notes →

Drill this topic

All 14 questions on Energy and momentum of a photon, untimed — answer on paper, then mark yourself against the mark scheme.

Start drill →

Make a worksheet

Choose the years and how many questions, then print it with the answers on separate pages.

Make a worksheet →

14 questions

These are structured questions, answered in working rather than by picking an option, so they are not listed here one by one. The drill above puts each in front of you with its mark scheme to check against.