Which of the following readings cannot be deter... - JAMB Physics 2019 Question
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 option: a
For a meter rule with reading accuracy of 0.5mm or 0.05cm, measurement is M ± 0.05cm i.e 2.00, 2.05, 2.50, 2.55, etc.
Hence, it cannot read 2.56cm.
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