What are 3 uses for 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.
- Ultraviolet – Energy efficient lamps, sun tanning.
- X-rays – Medical imaging and treatments.
What things use electromagnetic waves?
The light that our eyes can see is actually part of the electromagnetic spectrum. This visible part of the electromagnetic spectrum consists of the colors that we see in a rainbow – from reds and oranges, through blues and purples. Each of these colors actually corresponds to a different wavelength of light.
What are radios used for today?
Radio is very widely used in modern technology, in radio communication, radar, radio navigation, remote control, remote sensing, and other applications.
What are electromagnetic microwaves used for?
Electromagnetic radiation is transmitted in waves or particles at different wavelengths and frequencies. This broad range of wavelengths is known as the electromagnetic spectrum EM spectrum). The spectrum is generally divided into seven regions in order of decreasing wavelength and increasing energy and frequency.
What are the seven 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.
What are the uses of electromagnetic spectrum?
The electromagnetic spectrum covers a wide range of frequencies from cosmic rays to radio waves. The utility varies widely, for instance, gamma rays are used to destroy tumors, microwaves are used for heating, visible light helps us see, radio waves are used for radio channels.
What are some examples of electromagnetic devices?
Electromagnetic devices and inventions include a large magnet to lift up and drop automobiles, the loudspeaker, electric motor, microphone, electric generator, and phonograph. Some devices use the opposite effects as others. The loudspeaker and microphone are examples of this.
What are facts about electromagnetic energy?
Em waves are the only type of wave that can travel through empty space.
What are facts about the electromagnetic spectrum?
The electromagnetic spectrum covers electromagnetic waves with frequencies ranging from below one hertz to above 10 25 hertz, corresponding to wavelengths from thousands of kilometers down to a fraction of the size of an atomic nucleus. This frequency range is divided into separate bands,…