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KCET2011PhysicsNuclear Physics

The fraction of the initial number of radioactive nuclei which remain undecayed after half of a half-life of the radioactive sample is

Options

  1. A1 4
  2. B1 2 2
  3. C1 2
  4. D1 2

Correct answer

D. 1 2

Step-by-step solution

N₀=2^ n NN= N₀ 2^ n = N₀ 2^ 4 / 2 = N₀ 2

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