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JEE Main 2012 Physics question

PhysicsElectromagnetic WavesJEE Main 2012

An electromagnetic wave with frequency ω and wavelength λ travels in the +y direction. Its magnetic field is along +x-axis. The vector equation for the associated electric field (of amplitude ) is

Answer: (3)

Solution

A wave travelling in +y has phase , ruling out (1) and (4). must be perpendicular to (), and $Missing argument for \vec\vec

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Question ID VK-103556