Accuracy and Precision Objective Question and Answer
Accuracy and Precision MCQ Multiple Choice Questions Answers for Practice
1. A chemist who frequently carries out a complex experiment is likely to have high
Correct Answer is: precision.
2. Five darts strike near the center of the target. Whoever threw the darts is
Correct Answer is: both accurate and precise.
3. How many significan figures does the following measurement contain?3 coins
Correct Answer is: infinite
4. How many significant figures does the following measurement contain? Temperature = 0.0023 degree Centigrade
Correct Answer is: 2
5. Poor precision in scientific measurement may arise from
Correct Answer is: both human error and the limitations of the measuring instrument.
6. Precision pertains to all of the following except
Correct Answer is: closeness of a measurement to an accepted value.
7. Systematic errors lead to a lack of:
Correct Answer is: accuracy in the measurement.
8. The accepted value is 1.43. Which correctly describes this students experimental data? Trial 1: Measurement 1.29; Trial 2: Measurement 1.93; Trial 3: Measurement 0.88
Correct Answer is: neither accurate nor precise
9. The accepted value is 15.63. Which correctly describes this students experimental data? Trial 1: Measurement 12.84; Trial 2: Measurement 13.02; Trial 3: Measurement 12.96
Correct Answer is: precise but not accurate
10. The accepted value is 29.35. Which correctly describes this students experimental data? Trial 1: Measurement 29.48; Trial 2: Measurement 28.97; Trial 3: Measurement 29.27
Correct Answer is: both accurate and precise
11. The intensive physical properties of a substance are important because they:
Correct Answer is: help us identify or characterize the substance.
12. The reason for organizing, analyzing, and classifying data is
Correct Answer is: to find relationships among the data.
13. What is the result of the following calculation, reported to the correct number of significant figures? 0.12g + 0.003g = ?
Correct Answer is: 0.12g
14. What type of error will “wetting” by the expansion liquid in a stem thermometer along the stems bore give rise to?
Correct Answer is: Systematic
15. When applied to scientific measurements, the words accuracy and precision
Correct Answer is: have distinctly different meanings
16. Which is the term used for the measurement of the average kinetic energy of the particles of a substance?
Correct Answer is: temperature
17. Which of the following is a chemical property of a substance?
Correct Answer is: Cadmiun metal dissolves in Nitric Acid, producing a Blue tinted solution.
18. Which of the following is a physical process?
Correct Answer is: Sand is filtered from Sea Water.
19. Which of the following is an extensive physical property of matter?
Correct Answer is: length
20. Which of the following types of errors can be traced to an defect in the measuring instrument?
Correct Answer is: Systematic
Dive into the realm of measurement with our comprehensive collection of multiple-choice questions and answers on Accuracy and Precision. Whether you're a student studying science, an engineer working on precision instruments, or simply intrigued by the nuances of measurement, our meticulously curated selection covers a wide range of topics. Explore fundamental concepts such as the difference between accuracy and precision, methods for improving measurement accuracy, and real-world applications. With our user-friendly interface and detailed explanations, mastering the principles of accuracy and precision has never been more engaging and accessible. Start your journey towards precise measurement today!"
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Multiple Choice Questions and Answers on Accuracy and Precision
Accuracy and Precision Multiple Choice Questions and Answers
Accuracy and Precision Trivia Quiz
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