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Questions and Answers
What is a unit in which a physical quantity is measured?
What is a unit in which a physical quantity is measured?
- A standard for measuring physical quantities (correct)
- A device used by engineers for measurement
- A derived quantity based on fundamental units
- A numerical value representing a physical quantity
How are fundamental quantities defined?
How are fundamental quantities defined?
- As physical quantities that have multiple units of measurement
- As physical quantities that do not depend on any other physical quantities for measurement (correct)
- As physical quantities that are only used in engineering
- As physical quantities that are derived from other fundamental quantities
What are the fundamental units for mass, time, and electric current?
What are the fundamental units for mass, time, and electric current?
- Kilogram, second, ampere (correct)
- Gram, minute, volt
- Gram, second, ampere
- Kilogram, hour, watt
What are the derived units based on?
What are the derived units based on?
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Why do we require a limited number of units to express the large number of physical quantities?
Why do we require a limited number of units to express the large number of physical quantities?
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