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Units And Measurement
Question
Define physical quantity.
Solution
A measurable quantity in terms of which laws of Physics can be expressed is called physical quantity.
The result of a measurement of a physical quantity is expressed by a number accompanied by a unit.
Some More Questions From Units and Measurement Chapter
Define physical quantity.
Give four examples of physical quantities.
Define unit.
What are the two main required characteristics of a unit?
Can we use same units for different physical quantities?
Can we use different units to measure same physical quantity?
To measure a physical quantity X, the unit U is repeatedly used for n times. What is the magnitude of physical quantity?
Does the numerical factor in the quantitative measurement depend on the system of unit used?
Is one unit sufficient to measure a physical quantity?
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Mock Test Series
Mock Test Series