Question

we need standard units of measure the physical quantity give reason​

Answer 1

Answer:

We need standard unit for measurement to make our judgement more reliable and accurate. ... Thus there should be uniformity in measurement. For the sake of uniformity we need a common set of units of measurement, which are called standard units. Nowadays Si units in science and technology almost universally.

Explanation:

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Answer 2

Answer:

We need standard unit for measurement to make our judgement more reliable and accurate. For proper dealing, measurement should be same for everybody. Thus there should be uniformity in measurement. For the sake of uniformity we need a common set of units of measurement, which are called standard units. Nowadays Si units in science and technology almost accepted universally.