At the time t = 0 , some radioactive gas is injected into a sealed vessel. At the 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 ?

Question

At the time t = 0 , some radioactive gas is injected into a sealed vessel. At the 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 ?, , , , None of these

MARKS App · Accepted Answer

A = A 0 e - λ t Take log both side ℓ n A = ℓ n A 0 − λ t

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