Electromagnetic Waves: JEE Main 2020 Physics question

JEE Main 2020 · 3 Sep, Evening shift · Q6763

JEE Main 20203 Sep, Evening shiftPhysicsMediumElectromagnetic Waves120× since 2002

The electric field of a plane electromagnetic wave propagating along the x direction in vacuum is

\overrightarrow E = {E_0}\widehat j\cos \left( {\omega t - kx} \right)

. The magnetic field

\overrightarrow B

, at the moment t = 0 is :

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JEE Main 2020 · 3 Sep, Evening shift · Q6763

JEE Main 20203 Sep, Evening shiftPhysicsMediumElectromagnetic Waves120× since 2002

The electric field of a plane electromagnetic wave propagating along the x direction in vacuum is

\overrightarrow E = {E_0}\widehat j\cos \left( {\omega t - kx} \right)

. The magnetic field

\overrightarrow B

, at the moment t = 0 is :