which wave characteristic is the same for all types of electromagnetic radiation traveling in a vacuum?\na…

which wave characteristic is the same for all types of electromagnetic radiation traveling in a vacuum?\na speed\nb period\nc wavelength\nd frequency\ne none of the above

which wave characteristic is the same for all types of electromagnetic radiation traveling in a vacuum?\na speed\nb period\nc wavelength\nd frequency\ne none of the above

Answer

Answer:

A. speed

Brief Explanation:

All electromagnetic waves in a vacuum travel at the speed of light ($c = 3\times10^{8}\ m/s$). Wavelength, frequency, and period vary among different types of electromagnetic radiation.