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Oct 9, 2020 · This is because electromagnetic waves can transmit energy through a vacuum, or without a medium. Here are a few applications of electromagnetic waves in our lives. Radio waves: For communication uses, such as television communication and radio. Microwaves: Used in a microwave oven to heat meals, and for satellite television.
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Feb 21, 2024 · The spectrum involves radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays to increase frequency and decrease wavelength. Each type of electromagnetic wave has its properties and interactions with matter. For example, radio waves are used for communication, while X-rays are used for medical ...
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This article is about the Electromagnetic energy and its uses. It explains how electromagnetic energy travels in waves, spans a broad spectrum from radio waves to gamma rays, and how NASA's scientific instruments use it to study the Earth, solar system and universe beyond. The article also mentions that our atmosphere protects us from exposure to h...
Electromagnetic energy travels in waves and spans a broad spectrum from very long radio waves to very short gamma rays. When you tune your radio, watch TV, send a text message, or pop popcorn in a microwave oven, you are using electromagnetic energy. You depend on this energy every hour of every day. Without it, the world you know could not exist.
The Earth's atmosphere protects us from exposure to harmful higher-energy waves that can be ionizing and cause damage to cells in organic matter but is not helpful when studying sources of high-energy radiation in space as instruments have to be positioned above Earth's atmosphere.
NASAspacecraft provide scientists with a unique vantage point helping them "see" at higher-energy wavelengths that are blocked by the Earth's protective atmosphere while some microwaves can even pass through clouds making them best for transmitting satellite communication signals.
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- Radio and Television. Radio Waves are typically used for the purpose of signal broadcasting via various signal modulation techniques such as frequency modulation, amplitude modulation, etc.
- Microwave Ovens. As the name signifies, microwave ovens make use of high energy possessed by the microwaves to cook or heat the food. The frequency range of microwaves lies between 1 GHz to 1000 GHz.
- Medical Examination. A number of electromagnetic waves are used for medical diagnosis purpose. For instance, X-Rays are used to get an image of tissues and bones, thereby allowing the medical examiner to locate broken bones or injured body tissues.
- Sterilization. The electromagnetic rays lying in the wavelength range of 80 nanometers to about 10 nanometers are known as UV rays or ultraviolet rays.
Mar 13, 2020 · Unlike mechanical waves, electromagnetic waves do not need a medium to propagate. They can travel in a vacuum with the speed of light. They can travel in a vacuum with the speed of light. The heat from a burning fire, the light from the sun, the X-rays used by a doctor, and the energy used for cooking food in a microwave are all examples of electromagnetic waves.
Jan 5, 2020 · Each electromagnetic wave has a unique wavelength/frequency range and has distinct characteristics. Arranged in terms of decreasing wavelengths, these 7 types of electromagnetic waves are Radio waves, Microwaves, Infrared light, Visible light, Ultraviolet light, X-rays, and Gamma-rays.
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Electromagnetic waves are transverse waves with a wide range of properties and uses. Some of the waves are also hazardous to human body tissues. Part of Combined Science Waves in matter
