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Which is an example of proper units for expressing exposure rate?
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∙ 13y ago
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∙ 13y ago
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What is an example of proper units for expressing exposure rate?
Exposure to what, exactly? The most common kind of exposure that is used is exposure to electromagnetic radiation, especially in the higher intensities. One SI unit is the Gray (Gy). 1 Gray is equivalent to 1 Joule of energy absorbed by 1 kg of matter. More useful is the SI unit Sievert (SV), which accounts for type of radiation and all other pertinent factors.
What are the units expressing force?
Force is measured by Newton. SI unit for that is N
What is the SI unit fro expressing the quantity?
There are different units for different quantities.
What units are best for expressing the density of a solid?
Cm^3. THE 3 IS WRITTEN AS AN EXPONENT.
What is the importance of your choice of units in expressing the value of the ideal gas law constant?
If any other units are used, the value will be different. --Depending on the units you chose the value of the constant differs
What are the proper units of mass?
The kilogram.
What is the SI units for expressing quanities?
Meter (m), kilogram (kg), second (s), ampere (A) and so on.
How many roentgens would one receive with an x-ray exposure of 0.02?
An exposure of 0.02 what? No units are given, so conversion to roentgens cannot be made.
Meaning of forty?
Four times ten; thirty-nine and one more., The sum of four tens; forty units or objects., A symbol expressing forty units; as, 40, or xl.
What is a proper unit?
Scientifically speaking, the metric system gives us the proper units of measurement.
What is 7 millimeter as a fraction?
It is 7 millimetres. Expressing a measurement as a fraction does not imply that the measurement unit should be changed. If you want 7 mm expressed as a fraction of some other units: an inch or a kilometre, for example, it is up to you to specify which other unit you want.
How do you distinguish English units form metric units?
You memorize, or look up, the SI units for expressing different measures: length, area, mass, force, etc. Units used in the United States that are not in that list are usually "English units", also known as "Imperial units". The main exceptions are:Units for time - units other than seconds (such as minutes, hours, days, ...) are used all over the world.Several non-SI units of distance are used in astronomy and other sciences. This includes the astronomical unit, the light-year, the parsec.Similarly, in nuclear physics / particle physics, other non-SI units are used by the scientific community - for example, eV for mass and energy. These are non-SI units, but they are not "English units" either.
