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ZIMSEC A-Level Physics

3.3Superposition

Superposition in ZIMSEC A-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic91 practice questions4 lessons

Overview

Form 5.

Learning objectives

What the syllabus expects you to be able to do.

  1. 3.3.1Understand and apply: superposition and stationary waves.
  2. 3.3.2Understand and apply: diffraction.
  3. 3.3.3Understand and apply: interference, coherence and the double slit.
  4. 3.3.4Understand and apply: the diffraction grating.

Lessons

  • 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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  • Superposition and stationary waves

    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?

Choose one answer

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