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Uncertainty in Measurement

Some Basic Concepts of Chemistry
Chemistry
Class 11

Overview

Discuss and analyse significant figures , operations on them and defining terms like precision and accuracy.

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Uncertainty in Measurement

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Dimensional Analysis

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Related questions

Which of the following values possess maximum number of significent zeros?

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Which of the following rules regarding the significant figures and calculations involving them is not correct?

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Express the following to four significant figures:

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Express the following to four significant figures:

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The number of significant figures in 0.050 is:

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Number of significant figures in is ____ .

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Two student performed the same experiment separately and each one of them recorded two readings of mass which are given below. Correct reading of mass is . One the basis of given data, mark the correct option out of the following statement.
StudentReading

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A measured mass of an unreactive metal was dropped into a small graduated cylinder half filled with water. The following measurement were made:
Mass of metal
Volume of water before addition of metal
Volume of water after addition of metal
The density of the metal should be reported as:

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What will be the answer in appropriate significant figures as a result of addition of 3.0223 and 5.041?

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Given P=0.0030 m, Q=2.40 m, R=3000 m, Significant figures in P,Q,R are respectively.

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