Chemistry · 2026
JEE Main · 23 January 2026, Shift 1 · Q54
A cup of water at 5°C (system) is placed in a microwave oven and the oven is turned on for one minute during which the water begins to boil. Which of…
A cup of water at $\displaystyle 5$°C (system) is placed in a microwave oven and the oven is turned on for one minute during which the water begins to boil. Which of the following option is true ?
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \mathrm{q}=+\mathrm{ve}, \mathrm{w}=-\mathrm{ve}, \Delta \mathrm{U}=+\mathrm{ve}$
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.