Precision and Accuracy
Flashcard
•
Physics
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of precision in measurement?
Back
Precision refers to the degree to which repeated measurements under unchanged conditions show the same results. It indicates the consistency of measurements.
2.
FLASHCARD QUESTION
Front
What is the definition of accuracy in measurement?
Back
Accuracy refers to how close a measured value is to the actual (true) value. It indicates the correctness of a measurement.
3.
FLASHCARD QUESTION
Front
What is the difference between precision and accuracy?
Back
Precision is about consistency of measurements, while accuracy is about correctness in relation to the true value.
4.
FLASHCARD QUESTION
Front
What does it mean when a measurement has a degree of uncertainty?
Back
It means that there is an inherent limitation in the measurement process, leading to possible variations in the measured value.
5.
FLASHCARD QUESTION
Front
How can you improve the precision of a measurement?
Back
You can improve precision by using more refined measuring instruments, taking multiple measurements, and averaging the results.
6.
FLASHCARD QUESTION
Front
What is significant figures in measurement?
Back
Significant figures are the digits in a number that contribute to its precision. This includes all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.
7.
FLASHCARD QUESTION
Front
Convert 7,000 g to kg.
Back
7,000 g = 7 kg.
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