Uncertainty in Measurement Chapter 1

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What is an inherent characteristic of scientific measurements?

Accuracy

Certainty

Precision

Error (correct)

Which of the following is a consequence of uncertainty in measurement?

Increased precision

Absolute certainty

Limited reliability (correct)

Improved accuracy

What is the primary source of uncertainty in measurement?

Instrumental limitations (correct)

Human error

Theoretical assumptions

Random fluctuations

Which of the following is a strategy for managing uncertainty in measurement?

Averaging repeated measurements Signup and view all the answers

What is the ultimate goal of uncertainty analysis in measurement?

To quantify uncertainty Signup and view all the answers

What is true about non-zero numbers in significant figures?

They are always significant. Signup and view all the answers

What is the main purpose of significant figures in measurement?

To quantify uncertainty in measurement. Signup and view all the answers

Which of the following is an example of uncertainty in measurement?

A meter stick with an uncertainty of 0.5 mm. Signup and view all the answers

What is the unit of measurement for density?

Grams per milliliter (g/mL). Signup and view all the answers

What is the purpose of units of measurement?

To express quantities in a standardized way. Signup and view all the answers

What does the number of digits reported in a measurement reflect?

The accuracy of the measurement and the precision of the measuring device Signup and view all the answers

What is a key factor in determining the precision of a measurement?

The number of significant figures reported Signup and view all the answers

What is affected by the precision of the measuring device?

The number of significant figures reported Signup and view all the answers

What reflects the precision of the measuring device and the accuracy of the measurement?

The number of significant figures reported Signup and view all the answers

What is an important consideration when reporting measurements?

The precision of the measuring device and the accuracy of the measurement Signup and view all the answers

Uncertainty in Measurement Chapter 1

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Questions and Answers

What is an inherent characteristic of scientific measurements?

Which of the following is a consequence of uncertainty in measurement?

What is the primary source of uncertainty in measurement?

Which of the following is a strategy for managing uncertainty in measurement?

What is the ultimate goal of uncertainty analysis in measurement?

What is true about non-zero numbers in significant figures?

What is the main purpose of significant figures in measurement?

Which of the following is an example of uncertainty in measurement?

What is the unit of measurement for density?

What is the purpose of units of measurement?

What does the number of digits reported in a measurement reflect?

What is a key factor in determining the precision of a measurement?

What is affected by the precision of the measuring device?

What reflects the precision of the measuring device and the accuracy of the measurement?

What is an important consideration when reporting measurements?

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