Physics · 2022
JEE Main · 25 June 2022, Shift 2 · Q43
The electromagnetic waves travel in a medium at a speed of 2.0 × 10^8 m / s. The relative permeability of the medium is 1.0. The relative…
The electromagnetic waves travel in a medium at a speed of $\displaystyle 2.0 \times 10^8 \mathrm{~m} / \mathrm{s}$. The relative permeability of the medium is $\displaystyle 1.0$ . The relative permittivity of the medium will be :
Official answer
(1)
$\displaystyle 2.25$
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.