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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

1.1.1 Experimental Design – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
In an experiment on how the extension of a spring depends on the load, the load is the:
independent variable
dependent variable
control variable
systematic error
2.
Which action best improves the reliability of a set of results?
Using a longer metre rule
Repeating the measurements and averaging
Choosing only one value of the independent variable
Ignoring unexpected readings
3.
A student plots T2 against L for a pendulum and gets a straight line through the origin with gradient 3.95 s2 m−1. What is g in m s−2?
9.4
9.8
10.0
3.95
4.
Why is a trial run useful?
It gives the final data set
It removes systematic errors automatically
It replaces the risk assessment
It helps choose a suitable range and test the apparatus
5.
Which statement describes a valid experiment?
It measures the intended quantity with the other variables controlled
It gives identical readings every time
It uses expensive equipment
It has many repeat readings
6.
Plotting resistance R against length L for a uniform wire is expected to give:
a curve through the origin
a straight line through the origin
a horizontal line
a straight line with negative gradient
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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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