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Which of the following readings cannot be determined with a meter rule?


Question

Which of the following readings cannot be determined with a meter rule?

Options

A) 2.56cm

B) 2.25cm

C) 2.50cm

D) 2.05cm

The correct answer is 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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Dicussion (1)

  • 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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