Question
Question: At time t = 0, some radioactive gas is injected into a sealed vessel. At time T, some more of the sa...
At time t = 0, some radioactive gas is injected into a sealed vessel. At time T, some more of the same gas is injected into the same vessel. Which one of the following graph, best represents the variation of the logarithm of the activity A of the gas with time t-
A
B
C
D
None of these
Answer
Explanation
Solution
A = A0e–lt
take log both side
ln A = ln A0 – lt
