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:During the same interval, it is observed that a…X-rays and infrared rays are both electromagnetic.…A boat is rocked by waves of speed 30ms‾¹ whose…Water waves have a wavelength of 3.6cm and speed of…Sixty complete waves pass a particular point in 4s.…