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Up to the end of the microwave spectrum, most all modern conveniences that use electromagnetic energy in one way or another are in the lower frequency region, including millimeter waves, cell phones, WiFi, microwave ovens, space and terrestrial communications, radar for airports and military uses, AM and FM radio, ...
- What can electromagnetic energy be used for?
- How is electromagnetic energy used in real life?
- What are 4 uses to electromagnetic waves?
- Why are electromagnetic waves important in our lives?
- What appliances use electromagnetic waves?
- How do electromagnetic waves affect us?
- What are the 7 electromagnetic waves and their uses?
What can electromagnetic energy be used for?
NASA's scientific instruments use the full range of the electromagnetic spectrum to study the Earth, the solar system, and the universe beyond. When you tune your radio, watch TV, send a text message, or pop popcorn in a microwave oven, you are using electromagnetic energy.
How is electromagnetic energy used in real life?
Everyday life is pervaded by artificially made electromagnetic radiation: food is heated in microwave ovens, airplanes are guided by radar waves, television sets receive electromagnetic waves transmitted by broadcasting stations, and infrared waves from heaters provide warmth.
What are 4 uses to electromagnetic waves?
Uses of Electromagnetic Waves
Radio waves - radio and television. Microwaves - satellite communications and cooking food. Infrared - Electrical heaters, cooking food and infrared cameras. Visible light - Fibre optic communications.
Why are electromagnetic waves important in our lives?
Electromagnetic Waves Play an Important Role in Your Life
Nonetheless, electromagnetic waves are vital to how we sense and experience the world. From radio and cell phones to microwaves, X-rays, and beyond, there are countless ways we take advantage of all the electromagnetic energy the universe has to offer.
What appliances use electromagnetic waves?
Many household appliances produce electromagnetic fields: low consumption light bulbs, television and computer screens, electric radiators and even electric blankets. All of these common objects emit electric or electromagnetic fields and / or function by using them.
How do electromagnetic waves affect us?
At low frequencies, external electric and magnetic fields induce small circulating currents within the body. ... The main effect of radiofrequency electromagnetic fields is heating of body tissues. There is no doubt that short-term exposure to very high levels of electromagnetic fields can be harmful to health.
What are the 7 electromagnetic waves and their uses?
The EM spectrum is generally divided into seven regions, in order of decreasing wavelength and increasing energy and frequency. The common designations are: radio waves, microwaves, infrared (IR), visible light, ultraviolet (UV), X-rays and gamma rays.
