Neco 2023 Physics Question 10
Practice objective / multiple choice question 10 from the 2023 Neco Physics examination.
A student measures the period of a simple pendulum of length \(L = 0.500\) m using a stopwatch. Ten recordings of the time for 20 swings each are (in seconds): 28.4, 28.6, 28.5, 28.7, 28.3, 28.5, 28.6, 28.4, 28.5, 28.6. The stopwatch has a systematic error of +0.02 s per measurement and the length measurement has an uncertainty of ±0.001 m (random). (a) Determine the corrected value of \(g\) using \(T = 2\pi\sqrt{L/g}\). (b) Calculate the combined standard uncertainty of \(g\) (propagate uncertainties). (c) State whether the result agrees with the accepted value \(g = 9.81\) m s⁻² within the uncertainty.
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About This Question
This is Neco 2023 Physics Question 10. It is one of the objective questions from the 2023 Neco Physics examination.
Difficulty level: Hard .
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