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Wave Optics

Question
CBSEENPH12038692

Write the equation of decay of the radioactive nuclei.

Solution
The equation of decay of the radioactive nuclei is given by: 
 
                           N = N
0 e-λt
where, 
N is the number of nuclei in the sample at time t, 
No is the number of radioactive nuclei at any arbitary time to , and
λ is the decay constant. 

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