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Introduction to Analytical Chemistry — Chemistry STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryIntroduction to Analytical Chemistry3 Marks
Question
Explain the term: Precision in measurement
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Answer

  1. Multiple readings of the same quantity are noted to minimize the error.
  2. If the multiple readings of the same quantity match closely, they are said to have high precision.
  3. High precision implies reproducibility of the readings.
  4. High precision is a prerequisite for high accuracy.
  5. Precision is expressed in terms of deviation (i.e. absolute deviation and relative deviation).

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