JEE Physics · Medium

Errors and Measurements: Error and Instruments MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Error and InstrumentsMediumQuestion 30180

Question

A student measures the diameter of a marble 6 times and takes the average. This is done to minimise:
  1. A
    Systematic errors
  2. B
    Zero errors
  3. C
    Instrumental error
  4. D
    Random errors
    Correct

Correct answer

Random errors

Explanation

Random errors fluctuate around the mean and are reduced by averaging. Systematic errors are not reduced by repeating measurements.