Daddy & Daughter Dance to become annual tradition. DARKE COUNTY, OHIO- The YMCA of Darke County is excited to announce the first Daddy & Daughter Dance, to... Saturday, March 19, the YMCA of Darke County will be hosting Tumbling with the Easter Bunny from 13:20- 2:00...
Since all EM waves travel at the speed of light, then the spectrum of wavelengths is exactly opposite the spectrum of frequencies. In other words, wavelength and frequency are inversely proportional to each other.
General Properties of all electromagnetic radiation: 1  Electromagnetic radiation can travel through empty space. Most other types of waves must travel through some sort of substance. For example, sound waves need either a gas, solid, or liquid to pass through in order to be heard. 2  The speed of light is always a constant.