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Cambridge AS & A Level Physics

8Superposition

Superposition in Cambridge AS & A Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic90 practice questions4 lessons

In this topic

Lessons

  • Superposition and stationary waves

    45 min

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  • Diffraction of waves through gaps and round obstacles

    30 min

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  • Interference, coherence and Young's double slit

    45 min

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  • The diffraction grating and measuring wavelength

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Superposition: sample question

1 mark

A grating has 250 lines per millimetre. What is its grating spacing?

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