Physics · 2023
JEE Main · 6 April 2023, Shift 2 · Q38
A body cools in 7 minutes from 60^° C to 40^° C. The temperature of the surrounding is 10^° C. The temperature of the body after the next 7 minutes…
A body cools in $\displaystyle 7$ minutes from $\displaystyle 60^{\circ} \mathrm{C}$ to $\displaystyle 40^{\circ} \mathrm{C}$. The temperature of the surrounding is $\displaystyle 10^{\circ} \mathrm{C}$. The temperature of the body after the next $\displaystyle 7$ minutes will be:
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 28$°C
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.