There is a stream of radioactive material having No number

Last updated: 6/26/2023

There is a stream of radioactive material having No number of nuclei initially moving with constant speed of 2500 m s If half life of material is 693 s then amount of material remain after they travel a NCERT Pg 448 distance of 2500 km is 1 No 2 4 3 No 2 LARA Dettol 2 G 4 No 2 e No 4