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Cambridge IGCSE Physics practice

Paper 6 structured question: Physical quantities and measurement techniques

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6

Paper

5

Marks

Topic

Physical quantities and measurement techniques

Exam-style question

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Paper 6Alternative to PracticalPractical5 marks

Recording time intervals in a physics experiment.

Results Table

Results of Time Interval Measurements

The following table shows the time intervals recorded for a ball dropped from different heights.

Height (m)Time (s)
10.45
20.63
30.78
40.89
  1. a

    Describe the trend shown in the results table.

    Aim for approximately 2 distinct marking points.

    [2]
  2. b

    Explain how you would ensure the accuracy of your time measurements in this experiment.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 6 structured question: Physical quantities and measurement techniques

Paper 6Alternative to PracticalPractical1 marks

Method

Measuring Time with a Digital Timer

In a physics experiment, a digital timer is used to measure the time taken for a ball to fall from a height of 2 meters. The timer is started when the ball is released and stopped when it hits the ground.

  1. a

    State the independent variable in this experiment.

    Aim for approximately 1 distinct marking point.

    [1]