Electromagnetic Waves

Absorption spectrum is defined as: an electromagnetic spectrum in which an absorbing substance’s decrease in intensity of radiation at various wavelengths or ranges of wavelengths is expressed particularly as a pattern of black lines or bands. Absorption spectroscopy is an analytical chemistry technique for determining the presence of a specific compound in a sample and, […]

Communication means the transmission of information from one person to another person. It means sending, receiving, and processing information between two or more devices. A collection of messages from devices that work together to establish a communication between the sender and receiver is known as a communication system.  A communication system makes life easier. It