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Questions and Answers
How many basic physical quantities are there?
How many basic physical quantities are there?
- Five
- Seven (correct)
- Three
- Two
What is the difference between scalar and vector quantities?
What is the difference between scalar and vector quantities?
- Scalar quantities are fundamental, while vector quantities are derived.
- Scalar quantities are derived from vector quantities.
- Scalar quantities have magnitude only, while vector quantities have both magnitude and direction. (correct)
- Scalar quantities can be measured directly, while vector quantities cannot.
Which of the following is a derived physical quantity?
Which of the following is a derived physical quantity?
- Mass
- Time
- Length
- Speed (correct)
Which of the following is a basic physical quantity?
Which of the following is a basic physical quantity?
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What is a physical quantity?
What is a physical quantity?
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Physical quantities can be categorized into two types: basic or fundamental quantities and derived physical quantities.
Physical quantities can be categorized into two types: basic or fundamental quantities and derived physical quantities.
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Derived physical quantities are quantities that can only be measured indirectly.
Derived physical quantities are quantities that can only be measured indirectly.
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There are seven basic physical quantities, including mass, length, time, temperature, electric current, amount of substance, and luminous intensity.
There are seven basic physical quantities, including mass, length, time, temperature, electric current, amount of substance, and luminous intensity.
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Velocity is an example of a derived physical quantity.
Velocity is an example of a derived physical quantity.
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Scalar quantities can be measured directly using measuring devices.
Scalar quantities can be measured directly using measuring devices.
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