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Course: OCR A Level Physics A H556
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Curriculum

OCR A Level Physics A H556

1. Development of Practical Skills in Physics

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2. Foundations in Physics

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3. Forces and Motion

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4. Electrons, Waves and Photons

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OCR H556 chapter questions and answers

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Quiz

1.3.9 Computer Modelling and Data Logger – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A logger records at 20 Hz for 15 s. The number of readings is:
35
300
75
3000
2.
A major advantage of a data logger over a stopwatch is:
It needs no calibration
It never fails
It removes reaction-time error
It needs no power
3.
If the time step in an iterative model is reduced, the accuracy generally:
Decreases
Is unchanged
Increases but more calculation is needed
Becomes perfect
4.
Which is a limitation of a data logger?
The sensor may have a slow response or poor calibration
It can only record slow changes
It cannot store data
It cannot measure temperature
5.
In an iterative falling model, after finding a = F/m, the next step is:
Find the force again
Stop
Reduce the mass
Update v using v + aΔt
6.
How should a model be tested?
By making the time step large
By comparing its predictions with experimental data
By adding more variables
By removing assumptions
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Part of 1. Development of Practical Skills in Physics — see every lesson and quiz in this unit.
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