5 Questions
If there are photos randomly directed at area A, each with arus 0, the expected number of interactions between photos and targets will be A.
True
The atomic cross-section of an atom is the actual area of the atom.
False
Cross-sections are typically represented by the symbol 's'.
False
A barn is a unit of length.
False
1 barn is equal to 10 m².
True
Learn about the interaction of photons with matter, including the concept of cross-sections and how they relate to the expected number of interactions between photons and targets. Understand the difference between actual area and effective area in atomic interactions.
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