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Which of the following is not a base quantity?

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Important Questions on Units and Measurements

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Which of the following is smallest unit of length?
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Which of the following is not a unit of energy?
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Which of the following pairs of physical quantities may be represented in the same unit?
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10-12 m is written as _____ metre.
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If two quantities are added or substracted, the maximum permissible error in the final result is the _____ of the absolute errors in the individual quantities.
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All zeros between two non zero digits are _____.
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What unit does a relative error in a measurement have?