Neco Model Questions Vol1 2024 Physics Question 1

Practice practical question 1 from the 2024 Neco Model Questions Vol1 Physics examination. This question covers Measurements and Units .

Neco Model Questions Vol1 2024 Physics Practical
Topic: Measurements and Units
Question 1 NECO_MODEL_QUESTIONS_VOL1 • 2024 • PHYSICS • practical

A simple pendulum is set up using a thin string and a small metal bob. The length of the string is measured with a metre rule and recorded as 0.500 m. The time for 20 complete oscillations is measured with a stopwatch on three separate trials, giving the results shown in the table below. | Trial | Time for 20 oscillations (s) | |-------|------------------------------| | 1 | 28.4 | | 2 | 28.6 | | 3 | 28.5 | Using the data obtained, answer the following questions.

Question Parts

( a )
Calculate the average period of one oscillation (in seconds).
( b )
Using the average period obtained in part (a), calculate the experimental value of the acceleration due to gravity g (in m s⁻²). Use the formula \(T = 2\pi\sqrt{L/g}\).
( c )
Determine the percentage error of the experimental value of g obtained in part (b) relative to the accepted value \(g = 9.80\) m s⁻².
( d )
State two possible sources of error in this experiment and suggest a method to minimise each error.

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About This Question

This is Neco Model Questions Vol1 2024 Physics Question 1. It is one of the practical questions from the 2024 Neco Model Questions Vol1 Physics examination.

The question covers Measurements and Units .

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