13 At a certain instant in time the electric field of an

Last updated: 6/11/2023

13 At a certain instant in time the electric field of an electromagnetic wave in free space points in the z direction and the magnetic field points in the y direction In what direction is this wave traveling A x direction B x direction C y direction D z direction 4 A certain part of the electromagnetic spectrum ranges from 200 nm to 400 nm What is the lowest frequency associated with this portion of the spectrum A 1 50 x 10 4 Hz B 7 50 x 10 3 Hz C 7 50 x 10 4 Hz D 7 50 x 10 5 Hz