Question

what is the significance of unit in physics​

Answer 1

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. Any other quantity of that kind can be expressed as a multiple of the unit of measurement. For example, a length is a physical quantity.

Explanation:

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Answer 2

Answer:

A unit of measurements is a definite magnitude of a quantity, defined and adopt by convention or by law, that is used as a standard for measurement of the same kind of quantity. Any other quantity of that kind can be Expressed as the multiple of the unit of measurement.

For example, a length is a physical quantity.