The quantities which can be measured accurately are:
Correct answer: B. Physical Quantities
- A. Base Quantities
- B. Physical Quantities
- C. Derived Quantities
- D. Supplementary Quantities
Explanation
Physical Quantities, by definition, are quantities that can be measured with the help of an instrument to give a numerical value with a unit representing the quantity itself.
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About Physical Quantities and Units
Physical quantities combine a numerical value with a unit, and are expressed using SI base units or derived units such as newtons, joules and pascals. The topic covers prefixes, unit conversion, dimensional analysis, significant figures and measurement uncertainty, while distinguishing scalar quantities from vectors where direction matters.
Practise Measurements
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