Question

classify methods of measurement.

Answer 1

measurement means to measure

Answer 2

hey dear...!!

i) Direct method of measurement.

In this method the value of a quantity is obtained directly
by comparing the unknown with the standard.

ii) Indirect method of measurement.

In this method several parameters (to which the
quantity to be measured is linked with) are measured directly and then the value is determined by
mathematical relationship. 

iii) Fundamental method of measurement.

Also known as the absolute method of measure-
ment, it is based on the measurement of the base quantities used to define the quantity

iv) Comparison method of measurement.

This method involves comparison with either a
known value of the same quantity or another quantity which is function of the quantity to be
measured.

(v) Substitution method of measurement.

In this method, the quantity to be measured is
measured by direct comparison on an indicating device by replacing the measuring quantity with
some other known quantity which produces same effect on the indicating device. 


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