Which of the following instruments is suitable for making the most accurate measurement of the…

Which of the following instruments is suitable for making the most accurate measurement of the internal diameter of a test tube?
  • A.
    metre rule
  • B.
    A pair of callipers
  • C.
    A micrometer screw gauge
  • D.
    A tape rule
  • E.
    A set square
Correct Answer: Option B
Explanation
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