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Barn (unit): Quiz


Question 1: The barn is also the unit of area used in nuclear quadrupole resonance and ________ to quantify the interaction of a nucleus with an electric field gradient.
AtomNMR spectroscopyNuclear magnetic resonanceStable nuclide

Question 2: Originally used in ________ for expressing the cross sectional area of nuclei and nuclear reactions, today it is used in all fields of high energy physics to express the cross sections of any scattering process.
Alpha decayNuclear physicsNuclear fusionNuclear fission

Question 3: A barn is defined as 10−28 m2 or 100 square femtometers (fm2) and is approximately the cross sectional area of a ________ nucleus.

Question 4: While the barn is not an ________ unit, it is accepted for use with the SI due to its continued use in particle physics.
International System of UnitsConversion of unitsSystems of measurementMetric system

Question 5: A barn (symbol b) is a unit of ________.


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