Moderate

1 barn is a unit of area having the magnitude of:

Correct answer: B. 10-28m2

  • A. 1024 cm2
  • B. 10-28m2
  • C. 10-24cm2
  • D. None of these

Explanation

One barn is a unit of area that is commonly used in nuclear and particle physics to express the cross-sectional area of interactions between particles. The magnitude of one barn is equal to 10^(-28) square meters (m^2)

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