Which of the following readings cannot be determined with a meter rule?
A.
2.56cm
B.
2.25cm
C.
2.50cm
D.
2.05cm
Correct Answer: Option A
Explanation
Meter rule has a reading accuracy of 0.5mm or 0.05cm, thus measurement is M ± 0.05cm i.e 2.00, 2.05, 2.50, 2.55 etc.
The reading that cannot be read is 2.56cm.
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