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Questions and Answers
Which of the following best describes a physical quantity?
Which of the following best describes a physical quantity?
- A numerical value
- An algebraic multiplication
- A material or system that can be measured (correct)
- A unit of measurement
How is a physical quantity expressed?
How is a physical quantity expressed?
- As an arbitrary unit
- As a numerical value
- As a unit symbol
- As a value (correct)
According to ISO 80000-1, how is the value of a physical quantity expressed?
According to ISO 80000-1, how is the value of a physical quantity expressed?
- As the division of a numerical value and a unit
- As the sum of a numerical value and a unit
- As the product of a numerical value and a unit (correct)
- As the difference 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?
If Z is a physical quantity with a numerical value of 2 and a unit of 'metre', how is it expressed mathematically?
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How can the numerical value of a physical quantity expressed in an arbitrary unit be obtained?
How can the numerical value of a physical quantity expressed in an arbitrary unit be obtained?
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