SSC MTS EXAM

SSC

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A lack of precision in scientific measurements typically arises from
A
limitations of the measuring instrument
B
human error
C
lack of calibration
D
too many significant figures
Explanation: 

Detailed explanation-1: -These limitations, also called measurement errors, are usually classified into three categories, namely, systematic errors, random errors and drift errors. Systematic errors are limitations that are inherent in the operation of the measuring instrument.

Detailed explanation-2: -Precision is a measure of statistical variability. It describes random errors which is caused by permanent, unpredictable fluctuations of measuring instrument. In other words, it basically describes closeness of the measured values.

There is 1 question to complete.