The comparison of unknown quantity with known quantity called standard is known as measurement
The standard with which things are compared is called unit
Measurement has great importance in our daily life. We buy and sale something with help of measurement. In modern age measurement is the key.
FOR EXAMPLE
* Landing of space craft at moon surface also need measurement
* Distance from earth to moon is possible through measurement
PROPERTIES OF STANDARD (UNIT)
* It is accessible
* It is invariable
CONCLUSION
Measurement is necessary for daily life use and scientific use.
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