Neco Model Questions Vol1 2024 Physics Question 1

Practice essay / theory question 1 from the 2024 Neco Model Questions Vol1 Physics examination. This question covers Measurements and Units, Practical Skills .

Neco Model Questions Vol1 2024 Physics Essay / Theory
Topics: Measurements and Units Practical Skills
Question 1 NECO_MODEL_QUESTIONS_VOL1 • 2024 • PHYSICS • essay

A simple pendulum is set up in the laboratory as shown in the illustration. The length of the string from the point of suspension to the centre of the bob is 1.00 m. The bob is a small dense sphere. The period of the pendulum is measured by timing 20 complete oscillations on three separate trials, giving the total times recorded as 40.0 s, 40.2 s and 39.8 s. The experiment is to be used to determine the acceleration due to gravity and to discuss the reliability of the result.

Question Parts

( a )
State the length of the pendulum as shown in the illustration.
( b )
Calculate the value of the acceleration due to gravity (g) from the data provided. Show all steps and give your answer to two decimal places in m s⁻².
( c )
Identify two possible systematic errors in this experiment and suggest a method to reduce each error.
( d )
If the length of the pendulum were increased by 20 % while all other conditions remained the same, predict the new period of the pendulum (to two decimal places).

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About This Question

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

The question covers Measurements and Units, Practical Skills .

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