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Uncertainty in Measurement
an accurate measurement i...
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An accurate measurement implies that:
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Accuracy = correct value, Precision = consistent values.
KEAM - 2019
KEAM
Updated On:
May 1, 2026
Spread broad around mean
Spread narrow around mean
Mean always lower than true value
Mean always higher than true value
Closeness of mean to true value
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The Correct Option is
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Top Questions on Uncertainty in Measurement
Match the following prefixes with their multiples:
S.No
Prefixes
Multiples
(i)
micro
10
6
(ii)
deca
10
9
(iii)
mega
10
–6
(iv)
giga
10
–15
(v)
femto
10
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Round up the following upto three significant figures:
(i) 34.216
(ii) 10.4107
(iii) 0.04597
(iv) 2808
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How many significant figures are present in the following?
(i) 0.0025
(ii) 208
(iii) 5005
(iv) 126,000
(v) 500.0
(vi) 2.0034
CBSE Class XI
Chemistry
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Express the following in the scientific notation:
(i) 0.0048
(ii) 234,000
(iii) 8008
(iv) 500.0
(v) 6.0012
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Chemistry
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