Question

Mention the three characteri
stics of units

Answer 1

it is the parameter which measures a definite physical quantity
it helps to make understand the exact quantity of the substance to another person
it signifies a specific quantity of an object of specific nature which do not change overnight.

Answer 2

Following are the important characteristics of standard unit:

(i) It should be easily understandable.

(ii) It should be changed with change in physical factors.

(iii) It should not change with place or time.