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Cambridge IGCSE Combined Science practice

Paper 6 structured question: Physical quantities and measurement techniques

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Physical quantities and measurement techniques

Exam-style question

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Paper 6Alternative to PracticalPractical2 marks

Results from a pendulum experiment measuring oscillation periods.

Results Table

Pendulum Oscillation Periods

Length (m)Time for 10 oscillations (s)Average time for 1 oscillation (s)
0.5151.5
1.0202.0
1.5252.5
  1. a

    Calculate the average time for one oscillation when the length is 1.0 m.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 6 structured question: Physical quantities and measurement techniques

Paper 6Alternative to PracticalPractical1 marks

Method

Pendulum Experiment Method

1. Set up a pendulum with a known length. 2. Use a stopwatch to measure the time taken for 10 complete oscillations. 3. Repeat the measurement three times for accuracy. 4. Calculate the average time for one oscillation.

  1. a

    State the independent variable in this experiment.

    Aim for approximately 1 distinct marking point.

    [1]