radiation which of the following are true for sinusoidal radiation? the radiation pattern does not change with time. the radiation travels perpendicular to the electric field. the propagation direction of the radiation can be determined from the right hand rule. oscillating charges are not accelerating. the radiation pattern does not change with distance. the source of the radiation is oscillating charges. the radiation travels perpendicular to the magnetic field. the electric field is perpendicular to the magnetic field. the electric field and the magnetic field have the same magnitude at the same point in space.