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Q: A discrepancy is difference between:
  • A. true value and error
  • B. measured value and actual value
  • C. two measured values of the same quantity
  • D. None of the above
Correct Answer: Option C - A discrepancy is the difference between two measured values of the same quantity. It is not an error. A discrepancy may be small, yet the error may be great if each of the two measurements contains an error that may be large. It does not reveal the magnitude of systematic errors.
C. A discrepancy is the difference between two measured values of the same quantity. It is not an error. A discrepancy may be small, yet the error may be great if each of the two measurements contains an error that may be large. It does not reveal the magnitude of systematic errors.

Explanations:

A discrepancy is the difference between two measured values of the same quantity. It is not an error. A discrepancy may be small, yet the error may be great if each of the two measurements contains an error that may be large. It does not reveal the magnitude of systematic errors.