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Cambridge IGCSE Physics (0625)
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Physics_level 2_physical Quantities Measurements_physical Quantities And Measurement Techniques
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Question
What is a scalar?
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Answer
A quantity with magnitude only, such as mass, time or speed.
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1
What is a scalar?
2
What is a vector?
3
Why measure several oscillations rather than one?
4
How is volume of a liquid measured?
5
How are perpendicular vectors combined?
6
What is a fair test?
7
Distinguish a hypothesis from a prediction.
8
What is the difference between repeatable and reproducible results?
9
What makes a set of results valid?