All electromagnetic waves in a vacuum have the same? by Sunday | Jan 25 | Physics WAEC | 0 comments A. wavelength B. frequency C. speed D. amplitude Correct Answer: Option C C. speed Users Also Read These:All these are electromagnetic waves except?Plane waves through a narrow gap emerge as circular…Sixty complete waves pass a particular point in 4s.…SS3 First Term Physics Lesson Note – Electromagnetic WavesWhich of the following statements-about…