Ijmb Model Questions Vol1 2022 Physics Question 3

Practice practical question 3 from the 2022 Ijmb Model Questions Vol1 Physics examination. This question covers Simple Pendulum, Uniform Acceleration .

Ijmb Model Questions Vol1 2022 Physics Practical

Topics: Simple Pendulum Uniform Acceleration

Question 3 IJMB_MODEL_QUESTIONS_VOL1 • 2022 • PHYSICS • practical

A simple pendulum is constructed using a thin cotton thread attached to a small spherical bob. The length of the pendulum is varied and the time for 10 complete oscillations is recorded for each length as shown in the table below. | Length (cm) | Time for 10 oscillations (s) | |-------------|------------------------------| | 40 | 12.70 | | 50 | 14.10 | | 60 | 15.50 | | 70 | 16.80 | | 80 | 18.20 | Using the data, the student is required to determine the acceleration due to gravity (g).

Question Parts

( a )

Calculate the period (T) for each length and then compute T². Plot T² (vertical axis) against length L (horizontal axis) and determine the gradient of the best‑fit straight line.

( b )

Using the relation T² = (4π²/g) L, calculate g from the gradient obtained in part (a).

( c )

If the accepted value of g is 9.81 m s⁻², calculate the percentage error in the experimental value.

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About This Question

This is Ijmb Model Questions Vol1 2022 Physics Question 3. It is one of the practical questions from the 2022 Ijmb Model Questions Vol1 Physics examination.

The question covers Simple Pendulum, Uniform Acceleration .

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