what is a unit ? Explain the importance of unit in the measurements. What do you mean by the fundamental and the derived units ?
Answers
Answer:
Fundamental unit are units which are used to measure the fundamental quantities are called fundamental unit. eg- metre, kilograms, ampere etc. The units which are derived from fundamental unit are called derived units. eg- cubic metres, kilograms/cubic metres etc.
Answer:
A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.
Importance of unit are given below----
1. Many of measurement are easier to calculate and use with.
2. Better accuracy for what is being measured.
3. Magnitude more understandable.
Fundamental unit are units which are used to measure the fundamental quantities are called fundamental unit. eg- metre, kilograms, ampere etc.
The units which are derived from fundamental unit are called derived units. eg- cubic metres, kilograms/cubic metres etc.