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The magnetic field in a plane monochromatic electromagnetic wave with wavelength λ 469 nm, propagating in a vacuum in the z-direction is described by where B1 . 9.9 X 10-6 T, and i-hat and j-hat are the unit vectors in the +x and y directions, respectively. What is k, the wavenumber of this wave? What is Zmax the distance along the positive z-axis to the position where the magnitude of the magnetic field is a maximum at 0? What is Emax, the amplitude of the electric field oscillations? 4) What is Ey, the y-component of the electric field at (x·0, y-0,2-max) att-0? Which of the following equations describes the spatial and time dependence of the electric field oscillations? Your submis fentheck: Your answer is correct! The electric field oscillations have the same phase as the magnetic field oscillations. The direction of the electric field at any point and time is given by the cross product of the direction of the magnetic field at that point and time and the direction of propagation of the wave What is tmax, the first time aftert-0, when the magnitude of the electric field at the origin (x·y·z·0) has its maxiumum value?
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