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:Plane waves through a narrow gap emerge as circular…In the periodic table all elements within the same…Which of the following statements-about…Which of the following electromagnetic waves is most…Two identical waves traveling in the same direction…