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ZIMSEC O-Level Physics

9Waves

Waves in ZIMSEC O-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic58 practice questions5 lessons

In this topic

Lessons

  • Reflection, refraction and diffraction of waves

    22 min

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  • Wave motion and wave properties

    25 min

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  • Echoes and ultrasound

    22 min

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  • Sound

    28 min

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  • The electromagnetic spectrum

    22 min

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Sample question

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

Waves: sample question

1 mark

A learner stands 99 m from a large wall and claps once. The speed of sound is 330 m/s. How long after the clap is the echo heard?

Answer in s.

Turn Waves into a strength.

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