Cambridge AS & A Level Physics
22.1Energy and momentum of a photon
Energy and momentum of a photon in Cambridge AS & A Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives
What the syllabus expects you to be able to do.
- 22.1.1Recognise the particulate nature of electromagnetic radiation.
- 22.1.2Describe a photon as a quantum of electromagnetic energy.
- 22.1.3Recall and use E = hf.
- 22.1.4Use the electronvolt as a unit of energy.
- 22.1.5Recognise that a photon has momentum p = E/c.
Lessons
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Photons: energy, momentum and the electronvolt
40 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Energy and momentum of a photon into a strength.
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