Physics · 2020
NEET 2020 · 14 October · Code Z6 · Q108
The magnetic field in a plane electromagnetic wave is given by, B_y=2 × 10^-7 sin (π × 10^3 x+3 π × 10^11 t) T Calculate the wavelength.
The magnetic field in a plane electromagnetic wave is given by,
$$B_y=2 \times 10^{-7} \sin \left(\pi \times 10^3 x+3 \pi \times 10^{11} t\right) T
$$
Calculate the wavelength.
Official answer
(1)
$\displaystyle 2 \times 10^{-3} \mathrm{~m}$
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NEET (UG) 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.