Physical Quantity and Units of Measurement
Physical Quantity and Units of Measurement: Overview
This topic covers concepts such as Fundamental and Derived Quantities, Physical Quantities, Need for Measurement, and Measurement in Daily Life.
Important Questions on Physical Quantity and Units of Measurement
Define standard unit for measurement.
Why is measurement of quantities necessary?
is an example of fundamental units.
Why length, mass and time are chosen as base quantities in mechanics?
Write the fundamental unit of amount of substance.
Write the fundamental unit of electric current.
Physical quantities are classified into two- fundamental and _____ quantities.
The fundamental unit of mass is kilogram which is the mass of a platinum-iridium cylinder kept at the International Bureau of Weights and Measures near Paris in France.
Second is an example of fundamental units.
Time is an example of fundamental quantities.
Select the derived unit from the options.
Select the fundamental unit from the options.
Select the derived quantity from the options.
Select the fundamental quantity from the options.
According to metric system, how many fundamental units are there?
Quantities such as mass, weight, volume, etc are called _____ quantities.
Length, mass and time are examples of fundamental quantities.
Units which are expressed in terms of fundamental units or those units which are dependent on fundamental units are called _____ (standard / derived) units.
Units which are expressed in terms of fundamental units or those units which are dependent on fundamental units are called _____ units.
Quantities other than base quantities are called as
