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Apr 30, 2018 · Learn about the seven basic types of EM waves, from radio to gamma rays, and how they differ in frequency, wavelength and interaction with matter. Find out the natural and artificial sources, uses and effects of each type of wave.
Electromagnetic waves are ubiquitous in nature (i.e., light) and used in modern technology—AM and FM radio, cordless and cellular phones, garage door openers, wireless networks, radar, microwave ovens, etc. These and many more such devices use electromagnetic waves to transmit data and signals.
- Radio Waves
- Microwaves
- Infrared
- Visible Light
- Ultraviolet
- X-Rays
- Gamma Rays
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As the name suggests, radio waves are emitted by radiostations, TV stations, and cellphone towers. They have a wavelength range of 1-105meters.
Microwaves are used to broadcast information through spaceas they can penetrate through clouds and light rain. They are also used to heatfood, which led to the invention of the microwave oven.
Infrared radiation is thermal radiationthat carries heat.They are used in many infrared devices and remote sensing for weatherconditions.
Light is the only part of the electromagnetic spectrum thatis visible to the human eye. The eye perceives light as a combination ofseveral colors of different wavelengths. Light is made up of seven colors –violet, indigo, blue, green, yellow, orange, and red.
Ultraviolet light is emitted by the sun and is responsiblefor sunburn. They are used in “black lights” that make objects glow.
X-rays are used for medical purposes. They can penetratethrough the skin and tissue and reveal a detailed structure of the interior.
Distant astronomical bodies emit high energy gamma rays. They are also produced in the laboratory by bombarding subatomic particles with protons and neutrons and during a nuclear explosion.
Learn what electromagnetic waves are, how they are produced, and how they propagate. Explore the seven types of EM waves, from radio to gamma rays, and their characteristics and applications.
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Jun 6, 2024 · electromagnetic radiation, in classical physics, the flow of energy at the universal speed of light through free space or through a material medium in the form of the electric and magnetic fields that make up electromagnetic waves such as radio waves, visible light, and gamma rays.
From low to high frequency these are: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays. The electromagnetic waves in each of these bands have different characteristics, such as how they are produced, how they interact with matter, and their practical applications.
Electromagnetic waves can be classified and arranged according to their various wavelengths/frequencies; this classification is known as the electromagnetic spectrum. The following table shows us this spectrum, which consists of all the types of electromagnetic radiation that exist in our universe.
May 27, 2024 · Learn about the entire range of electromagnetic radiation, from radio waves to gamma rays, and how they differ in frequency, wavelength, and energy. Find out the names and characteristics of the various subranges of the spectrum and their applications.
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