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Physics
Physics
Problem
A steel rod has a length close to 2.50 m. The experimenter wants the percentage uncertainty in its measurement to be at most 0.20 %. What is the maximum permissible least count of the measuring instrument? a)
10
mm
10\text{ mm}
10
mm
b)
5
mm
5\text{ mm}
5
mm
c)
0.5
mm
0.5\text{ mm}
0.5
mm
d)
2
mm
2\text{ mm}
2
mm
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