ILTS Science Physics (243) Practice Questions - ILTS Science Physics (243) Test Exam

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In an experiment measuring the period of a pendulum, a student measures the time for 20 complete swings rather than a single swing. What is the primary advantage of this technique?

It reduces the relative effect of human reaction-time error in the measurement It changes the actual period of the pendulum to a more convenient value It eliminates the need to control the pendulum length It guarantees the result will have no systematic error

Correct Answer:

It reduces the relative effect of human reaction-time error in the measurement

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