Teal & White Ribbon: Cervical Cancer. Rainbow Ribbon: Adrenocortical carcinoma, Gay Pride, Same Sex Marriage. Black & Pink Ribbon: Loss of a Sister, Loss of a female child, mourning a sister, mourning a daughter. Black & Blue Ribbon: Loss of a Brother, Loss of a male child, mourning a brother, mourning a son.
Electromagnetic spectrum refers to the full range of all frequencies of electromagnetic radiation and also to the characteristic distribution of electromagnetic radiation emitted or absorbed by that particular object. Devices used to measure an electromagnetic spectrum are called spectrograph or spectrometer.
Let me first make sure the terminology we use is right. The words electromagnetic spectrum are used to name a group of waves. Not any kind of waves, ( not acoustic, not mechanical waves) but electromagnetic waves. These waves have in COMMON that they are originated by electric or magnetic processes. ( As an analogy think about senior class.