Question

Q.2) Answers the following questions
i) What is mean
by unit?​

Answer 1

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In physics and metrology, units are standards for measurement of physical quantities that need clear definitions to be useful. Reproducibility of experimental results is central to the scientific method. A standard system of units facilitates this.

Answer 2

Answer:

an individual thing or person regarded as single and complete but which can also form an individual component of a larger or more complex whole.