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NEST2023PhysicsNuclear Physics

Two radioactive samples X and Y have the same number of atoms initially [N_X(t= . .0)=N_Y(t=0) ] . The half life _ 1 / 2 ^x of X is half the mean life of Y . Then N_Y(t) is seven times N_X(t) when t / _ 1 / 2 ^x is closest to

Options

  1. A1
  2. B2
  3. C5
  4. D10

Correct answer

D. 10

Step-by-step solution

No solution available.

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