Question on: JAMB Physics - 2024
What is the least possible error encountered when taking measurement with a metre rule?
A
1.1 mm
B
0.5 mm
C
0.2 mm
D
0.1 mm
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Correct Option: B
The least possible error when using a metre rule is half of the smallest division on the rule. A standard metre rule has divisions of 1 mm. Therefore, the least possible error is 0.5 mm (half of 1 mm).
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