Atoms of a radioactive nuclide are decayed having decay constant

PHYSICS · Single correct · A Level · Physics · Nuclear physics · Nuclear physics

Problem

N_0

atoms of a radioactive nuclide are decayed having decay constant

\lambda

. The degree of decay after

t

time is given by: (1)

e^{-\lambda t}

(2)

1 - e^{-\lambda t}

(3)

e^{\lambda t}

(4)

\frac{1}{1 - e^{-\lambda t}}