a certain radioactive substance has a half-life


A certain radioactive substance has a half-life of 40 minutes. How much of an original 100 grams substance will remain after 2 hours?

solution) m= m0/2t/T

m=100 gms..

t=2 hours=2*60=120 min..

T=40 min

m=100/2120/40

m=100/23

m=100/8

m=12.5 gms.

Request for Solution File

Ask an Expert for Answer!!
Physics: a certain radioactive substance has a half-life
Reference No:- TGS0209930

Expected delivery within 24 Hours