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 graphs best represents the variation of the logarithm of the activity A of the gas with time t ?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
ln A versus t is a linearly decreasing graph with slope depending to 
. As 
does not change, slope remains same.
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