Physics · 2025
JEE Main · 2 April 2025, Shift 1 · Q37
Consider two infinitely large plane parallel conducting plates as shown below. The plates are uniformly charged with a surface charge density +σ and…
Consider two infinitely large plane parallel conducting plates as shown below. The plates are uniformly charged with a surface charge density $\displaystyle +\sigma$ and $\displaystyle -2 \sigma$. The force experienced by a point charge + q placed at the mid point between two plates will be :

Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle \frac{3 \sigma \mathrm{q}}{2 \epsilon_0}$
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.