Igcse Model Questions Vol1 2025 Physics Question 3

Practice practical question 3 from the 2025 Igcse Model Questions Vol1 Physics examination. This question covers motion, measurement, experimental technique, error analysis .

Igcse Model Questions Vol1 2025 Physics Practical
Topics: motion measurement experimental technique error analysis
Question 3 IGCSE_MODEL_QUESTIONS_VOL1 • 2025 • PHYSICS • practical

A ticker timer (frequency 50 Hz) is used to study the free fall of a steel ball. The timer marks a dot every 0.02 s on a strip of paper. The ball passes a series of equally spaced vertical flags that are 0.02 m apart, leaving a dot each time it passes a flag. The following distances fallen by the ball after each tick are recorded: | Time (s) | Distance fallen (m) | |----------|----------------------| | 0.02 | 0.0015 | | 0.04 | 0.0060 | | 0.06 | 0.0135 | | 0.08 | 0.0240 | | 0.10 | 0.0365 | Using this data, answer the questions below.

Question Parts

( a )
Describe how you would set up the experiment, including the apparatus required and the method of obtaining the data shown in the table.
( b )
Calculate the average speed of the ball between 0.04 s and 0.06 s.
( c )
Assuming the ball started from rest, use the speeds at 0.04 s and 0.06 s to determine the acceleration of the ball.
( d )
Compare the experimental acceleration obtained in (c) with the theoretical value of g = 9.8 m s⁻². List two possible sources of error that could account for the difference.

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About This Question

This is Igcse Model Questions Vol1 2025 Physics Question 3. It is one of the practical questions from the 2025 Igcse Model Questions Vol1 Physics examination.

The question covers motion, measurement, experimental technique, error analysis .

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