5 Questions
Which of the following best describes a physical quantity?
A material or system that can be measured
How is a physical quantity expressed?
As a value
According to ISO 80000-1, how is the value of a physical quantity expressed?
As the product of a numerical value and a unit
If Z is a physical quantity with a numerical value of 2 and a unit of 'metre', how is it expressed mathematically?
Z = { Z } × [ Z ]
How can the numerical value of a physical quantity expressed in an arbitrary unit be obtained?
By dividing the physical quantity by the unit
Test your knowledge on physical quantities and their measurement units in this quiz! Learn about the importance of numerical values and units in expressing various physical properties. Challenge yourself and improve your understanding of measurement in the world of physics.
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