Physics · 2022
JEE Main · 24 June 2022, Shift 2 · Q60
In an experiment to verify Newton's law of cooling, a graph is plotted between, the temperature difference (Δ T ) of the water and surroundings and…
In an experiment to verify Newton's law of cooling, a graph is plotted between, the temperature difference $\displaystyle (\Delta \mathrm{T})$ of the water and surroundings and time as shown in figure. The initial temperature of water is taken as $\displaystyle 80^{\circ} \mathrm{C}$. The value of $\displaystyle \mathrm{t}_2$ as mentioned in the graph will be \_\_\_\_.
Official answer
16
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.