A systematic error can be removed by
Correct answer: D. Recalibrating the instrument.
- A. Taking mean reading.
- B. Repeating the reading.
- C. Changing the surrounding.
- D. Recalibrating the instrument.
Explanation
Systematic errors are consistent biases in measurement that arise from flaws in the measurement system, such as miscalibrated instruments. To remove systematic errors, recalibration of the instrument is necessary, ensuring that it provides accurate readings. Taking mean readings or repeating measurements do not correct systematic errors because these methods only address random errors. Changing the surroundings may impact measurements but doesn't target the root cause of systematic errors.
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Random errors can be reduced byI. taking zero correctionII. taking mean of several measurementsIII. comparing the instrument with a more accurate one
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