Question

Define: Unit. What are its types..​

Answer 1

UNIT : A unit of measurement is a definite magnitude of a Quantity, is called Unit.

There are seven basic units in the SI system: the meter (m), the kilogram (kg), the second (s), the kelvin (K), the ampere (A), the mole (mol), and the candela (cd).

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Answer 2

Answer:

It is a reference standard to measure a physical quantity

Explanation:

There are many types of units used my different countries widely accepted type is SI UNITS OR BASE UNITS

FACT :- We have a mass of platinum at internation mass organization which is used to make 1kg rocks used as a reference standard