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Here is a guide to uncertainties in A Level Physics. This video is suitable for all exam boards including A Level Physics AQA, OCR A and B, Edexcel, Eduqas, Scottish Higher, CIE Cambridge International A Level Physics and similar qualifications such as IB Physics.
We cover absolute uncertainties, adding absolute uncertainties, percentage uncertainties, combining and propagating percentage uncertainties, raising uncertainties to a power and a tricky question in which we need to find half of the range using the same technique as finding the uncertainty of a data set.
I hope this video is very useful for exam revision!
Chapters:
00:00 Difficulty 1: Absolute Uncertainties
00:46 Difficulty 2: Percentage Uncertainties
01:18 Difficulty 3: Combining Uncertainties
02:48 My Problem Sheet
03:07 Difficulty 4: Combining uncertainties
05:27 Uncertainty of a data set
06:32 Percentage Uncertainty raised to a power
07:28 Hardest Question
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