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 Units and Measurements 16 Flashcards |
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True or False: The number 0.00456 has four significant figures. |
Card: 1 / 16 |
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False. It has three significant figures (4, 5, and 6). |
Card: 2 / 16 |
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Fill in the blank: The order of magnitude of a quantity is the ___ required to represent that quantity. |
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Power of 10 |
Card: 4 / 16 |
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Riddle: I can be measured but not seen, I tell you how precise and accurate your measurements might be. What am I? |
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Error |
Card: 6 / 16 |
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What is the least count of a measuring instrument? |
Card: 7 / 16 |
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The smallest value of a physical quantity that can be measured accurately with the instrument. |
Card: 8 / 16 |
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True or False: Exact numbers have a finite number of significant figures. |
Card: 9 / 16 |
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False. Exact numbers have an infinite number of significant figures. |
Card: 10 / 16 |
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What does the term 'precision' refer to in measurement? |
Card: 11 / 16 |
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The degree to which repeated measurements under the same conditions yield the same result. |
Card: 12 / 16 |
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Fill in the blank: The difference between the true value and the measured value is known as the ___ in measurement. |
Card: 13 / 16 |
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Error |
Card: 14 / 16 |
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How do you calculate the relative error in a measurement? |
Card: 15 / 16 |
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Relative error = Mean absolute error / Mean value |
Card: 16 / 16 |
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Completed! Keep practicing to master all of them. |
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