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17 Cards in this Set
- Front
- Back
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What is a precise measurement? |
A precise measurement is the one which has less precision or absolute uncertainty. |
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the precision of a measurement is determined by what? |
The precision of a measurement is determined by the instrument or devise being used. |
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What is an accurate measurement? |
An accurate measurement is the one which has less fractional or percentage uncertainty or error. |
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What does the accuracy of a measurement depend upon? |
The accuracy of a measurement depends on the fractional or percentage uncertainty in that measurement. |
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How many colors does colour printing use? |
Four |
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What are the colors used in colour printing? |
Cyan Magenta Yellow Black |
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What are significant figures? |
In any measurement, the accurately known digits and the first doubtful digits are called significant figures. |
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1 kg of mass is equal to? |
9×10'16 joules energy Mass is a form of energy it is a highly concentrated form of energy. |
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E = mc'2? |
Energy= mass ×speed of light '2 |
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Atto |
10'-18 |
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Femto? |
10'-15 |
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Pico? |
10'-12 |
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Nano? |
10'-9 |
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Micro? |
10'-6 |
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Mili? |
10'-3 |
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Centi? |
10'-2 |
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Deci? |
10'-1 |
