A-LevelPhysicsPhysical quantities and units9702/12 · May/June 2021 · Q51 Mark

Students take readings of the volume of a liquid using three different pieces of measuring equipment X, Y and Z. The true value of the volume of the liquid is V. The students' results are shown. [Figure 5.1] How many pieces of equipment are precise and how many are accurate?

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A1 number of precise pieces of equipment, 1 number of accurate pieces of equipment

B1 number of precise pieces of equipment, 2 number of accurate pieces of equipment

C2 number of precise pieces of equipment, 1 number of accurate pieces of equipment

D2 number of precise pieces of equipment, 2 number of accurate pieces of equipment

✓ Correct answer

D: 2 number of precise pieces of equipment, 2 number of accurate pieces of equipment

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Topic: Physical quantities and units, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2021 Paper 1 Variant 2, question 5.

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