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a. How many ion pairs are produced in 1 cm3 of air during an exposure of 100 mR? The density of air at STP is ρ = 1:293kg m-3. What is the absorded dose to air?
b. An thin walled carbon-wall ionization chamber, whose volume is 2 cm3, is filled with standard air at 0°C and 760 mmHg and is placed inside a tank of water to make a depth-dose measurement. A 25 MeV electron beam produces a current of 0.02 μA in the chamber. If the mass stopping power of water at the depth of measurement for 25 MeV electrons relative to air is 1.068, what is the dose?
all stars have a life cycle. the stages of stars that are bigger than the sun?
Ingestion : The standard treatment for this type of poisoning is as follows: (1) Tell the casualty to spit out as much of the material as possible and then wash the mouth thoro
what properties does a desk have
Aquestion #Minimum 100 words accepted#
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if 120g of a 6% sucrose solution are needed, what mass of sucrose is required to prepare the solution?
The difference between weight and pressure Make two square blocks of wood, one much lesser than the other, and link them together as shown in the diagram. Press every of these
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