Accuracy and Precision Objective Question and Answer
Accuracy and Precision MCQ Multiple Choice Questions for Practice
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!"
Accuracy and Precision MCQ Questions for Practice
1. A chemist who frequently carries out a complex experiment is likely to have high
Correct Answer is: precision, but low accuracy.
2. Five darts strike near the center of the target. Whoever threw the darts is
Correct Answer is: neither accurate nor precise.
3. How many significan figures does the following measurement contain?3 coins
Correct Answer is: 3
4. How many significant figures does the following measurement contain? Temperature = 0.0023 degree Centigrade
Correct Answer is: infinite
5. Poor precision in scientific measurement may arise from
Correct Answer is: limitations of the measuring instrument.
6. Precision pertains to all of the following except
Correct Answer is: sameness of measurements.
7. Systematic errors lead to a lack of:
Correct Answer is: gradation of the measuring instrument
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: both accurate and 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: neither accurate nor precise
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: neither accurate nor precise
11. The intensive physical properties of a substance are important because they:
Correct Answer is: provide information about the atomic structure of the substance.
12. The reason for organizing, analyzing, and classifying data is
Correct Answer is: to separate qualitative and quantitative 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.g
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: Gross
15. When applied to scientific measurements, the words accuracy and precision
Correct Answer is: can cause uncertainty in experiments.
16. Which is the term used for the measurement of the average kinetic energy of the particles of a substance?
Correct Answer is: mass
17. Which of the following is a chemical property of a substance?
Correct Answer is: Density of Hexane =0.67 g/mL.
18. Which of the following is a physical process?
Correct Answer is: A pot roast is cooked in an oven.
19. Which of the following is an extensive physical property of matter?
Correct Answer is: freezing point
20. Which of the following types of errors can be traced to an defect in the measuring instrument?
Correct Answer is: Gross
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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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