a 1 875 atm b 0 2155 atm 0 4618 atm 1 A fresh radioactive

Last updated: 6/4/2023

a 1 875 atm b 0 2155 atm 0 4618 atm 1 A fresh radioactive mixture contains short lived species A and B Both emitting a particles initially of 8000 a particles per minute 20 minutes later they emits at the rate of 3500 a particles per minute If the half lives of the species A and B are 10 minutes and 500 hours respectively then the ratio of activities of A B in the initial mixture was a 4 6 b 6 4 c 3 4 d 3 1 imple of solution of 10