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Cambridge AS & A Level Physics

PSPractical skills

Practical skills in Cambridge AS & A Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Syllabus section135 practice questions5 lessons

Overview

Not a content section of the syllabus: our grouping of the Practical assessment section (Papers 3 and 5) and the Mathematical requirements.

In this topic

Lessons

  • Measuring instruments, light gates and the oscilloscope

    40 min

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  • Recording results, tables and graphs in practical physics

    40 min

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  • Planning a physics investigation

    35 min

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  • Data analysis: logarithms, error bars and worst lines

    40 min

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  • Uncertainty in readings, limitations and improvements

    40 min

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Sample question

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

Practical skills: sample question

1 mark

A sinusoidal trace on an oscilloscope is 3.03.0 divisions from the bottom of a trough to the top of a crest. The y-gain is 5.0 V div−15.0\ \text{V div}^{-1}. What is the amplitude (peak value) of the p.d.?

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