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Units And Measurement

Question

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Define constant error and imperfectness error.

Solution

An error that repeats itself in all measurements is called a constant error.

Imperfectness error is the error that cannot be removed even if its reasons are known. Imperfectness errors are caused by unprdictable fluctuations during experiment.

Some More Questions From Units and Measurement Chapter

Can we use same units for different physical quantities?

Can we use different units to measure same physical quantity?

To measure a physical quantity X, the unit U is repeatedly used for n times. What is the magnitude of physical quantity?

Does the numerical factor in the quantitative measurement depend on the system of unit used?

Is one unit sufficient to measure a physical quantity?

Can a physical quantity have two or more units? Give example.

What are fundamental quantities?

How many fundamental quantities are there in mechanics?

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