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NEST2014PhysicsNuclear Physics

Consider the sequential radioactive decay process: A K₁ B K₂ C , with decay constants, K₁ and K₂ such that 2 K₁=K₂ . At time t=0 the number N_A(t) of the species A is N₀ and the numbers N_B(t) and N_C(t) of species B and C respectively, are zero. Then

Options

  1. Athe sum N_A(t)+N_B(t)+N_c(t) is a constant at any given time t .
  2. BN_B(t) exhibits a maximum.
  3. CN_c(t) approaches N₀ as t .
  4. Dfor t smaller than the half life of species A, N_B(t) is greater than N_A(t) .

Correct answer

C. N_c(t) approaches N₀ as t .

Step-by-step solution

No solution available.

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