GUJCET Applications — practice questions
3 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice GUJCET Applications in the app →If the rate of decay of a radioactive substance is proportional to its mass $m$ at time $t$, the differential The half-life of a radioactive substance decaying by $dm/dt = -km$ (with $k > 0$) in terms of $k$ is:Newton's law of cooling: $dT/dt = -k(T - T_s)$ where $T_s$ is the surrounding temperature. The general solutio