Physics · 2013
JEE Main · 22 April 2013, Shift 1 · Q20
A plane electromagnetic wave in a non-magnetic dielectric medium is given by E = E_0(4 × 10^-7 x-50 t ) with distance being in meter and time in…
A plane electromagnetic wave in a non-magnetic dielectric medium is given
by $\displaystyle \overrightarrow{\mathrm{E}}=\overrightarrow{\mathrm{E}}_0\left(4 \times 10^{-7} x-50 \mathrm{t}\right) \quad$ with distance being in meter and time in seconds. The dielectric constant of the medium is :
Official answer
(2)
$\displaystyle 5.8$
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JEE Main 2013 Physics question, with the answer from NTA’s final answer key. Where our answers come from.