Question

Pre-Medical : Physics
Initial decay rate of a substance is 800 disintegration/
sec. If half life of substance is 1 sec. then after three
second the decay rate will be :-
(1) 800 disintegration/sec.
(2) 400 disintegration/sec.
(3) 200 disintegration/sec.
(4) 100 disintegration/sec.
Bhai log Jo bhi and de phle hi bta du ki
epower - lamda t =800e 0.693*3= kaise solve karna hai woh btao ok​

Answer 1

Answer:

answer is 100 disintegration /sec

we need to caluclate by formulas...

may this further explanation helps you