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1 femto is equal to
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Weight is equivalent to which of the following?
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Zero are always considered significant when they are
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Ratio of nano to atto is
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Volume of sphere having radius 17 $cm$ is
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The error may occcur due to:
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Absolute uncertainty in a measuring instrument is equal to:
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If the absolute uncertainty of an instrument is 0.01 cm, then its least count will be:
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Significant figures in $1.0\times 10^{-3}$ are:
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Significant figures in 0.2020 are:
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Significant figures in 5342 are:
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0.0001210 has ________ significant figures
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According to the scientific notation, the number 0.0002 can be written as:
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Which one is the least multiple:
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The average time the Earth takes to make exactly one rotation about its axis is defined as:
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The alloy cylinder of mass 1 kg placed at International Bureau of weights and measures in France has diameter and height, respectively as:
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The amount of a substance is measured in:
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One second is equal to the duration in which the outer-most electron of the _______ atom makes 91,92,631,770 vibrations
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Conversion of $10^{-6}$ micro-centimeter in meters is:
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The prefix micro represents the _________ th part of a quantity
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One meter is the distance travelled by light in vacuum during a time of:
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SI unit of absolute temperature is:
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$1 kg/m^{3}$ is equal to:
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The unit which is based on one or more base units is called:
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Which one of the following is not a base unit:
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