source of electromagnetic waves by drishti ias
Answer:- Electromagnetic waves are generated by the oscillation of electric and magnetic fields. Any charged particle that is accelerating or decelerating can create electromagnetic waves. The most common source of electromagnetic waves is the acceleration of electrons within atoms. When electrons move from one energy level to another, they emit electromagnetic radiation. This is the process that occurs in electronic devices such as radios, televisions, and cell phones.
Another source of electromagnetic waves is the movement of charged particles through a conductor. This is the principle behind the generation of electrical power in power plants. As the charged particles move through the conductor, they create a magnetic field that in turn creates an electric field. The electric and magnetic fields then propagate away from the conductor as electromagnetic waves.
source of electromagnetic waves by drishti ias
Other sources of electromagnetic waves include astronomical objects such as stars and pulsars, as well as cosmic phenomena such as supernovae and gamma-ray bursts. These sources produce extremely high-energy electromagnetic radiation, such as X-rays and gamma rays, that can be detected by specialized instruments such as telescopes and detectors.
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