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Learning objective

Calculate the average for a small distance and a short time interval by measuring multiple instances, such as the oscillation period of a pendulum.

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Cambridge IGCSE PhysicsMotion, forces and energyCore contentPractical objective

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Quick explanation

Calculate the average for a small distance and a short time interval by measuring multiple instances, such as the oscillation period of a pendulum

  • This point belongs to Physical quantities and measurement techniques, especially Physical quantities and measurement techniques outcomes.
  • You need to be able to calculate the average for a small distance and a short time interval by measuring multiple instances, such as the oscillation period of a pendulum.
  • The key ideas to know are Determine, Calculate, and Measure.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DetermineCalculateMeasure

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This objective helps connect Physical quantities and measurement techniques outcomes to exam-style questions, flashcards, and revision notes for Physical quantities and measurement techniques.

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Paper 6 structured question: Physical quantities and measurement techniques

Paper 6Alternative to PracticalPractical1 marks

Method

Pendulum Experiment Method

To measure the period of a pendulum, set up a pendulum of known length. Use a stopwatch to time how long it takes for the pendulum to complete 10 oscillations. Repeat this measurement three times for accuracy.

  1. a

    State the independent variable in this experiment.

    Aim for approximately 1 distinct marking point.

    [1]
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