At time \( \mathrm{t}=0 \), some radioactive gas is injected into a... VIDEO
At time \( \mathrm{t}=0 \), some radioactive gas is injected into a sealed vessel. At time \( \mathrm{T} \), 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 \( t \) ?https://bit.ly/YTAI_PWAP https://www.pw.live
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