light wave travelling along y-direction. if the corresponding E vector at any time is along x-axis,the direction of B vector at that time is along 1. z axis 2. negative z axis Share with your friends Share 2 Vishal answered this z axis -8 View Full Answer Prudhvi Nath answered this E X B cross product will give direction of wave so it i X -K = j so -ve z axis -4 Rishika Mathur answered this Direction is given by E vector cross B vector .....it means i cap cross j cap which is -k cap So direction is along -z axis .... 9