FYKOS Year 31 Series 3 Problem 5 — decay here, decay there · FYKOS 31 #31.3.5

Physics · modern-physics

Problem

We have

A_0

particles which decay into

B

particles with decay constant

\lambda \_A

B

particles decay into

A

particles with decay constant

\lambda \_B

. The number of

B

particles at the beginning is

B_0

. Find a ratio of the numbers of particles

A

and

B

as a function of

t