What are example of devices that use electromagnetic waves?

Radios, televisions, cell phones and wireless computer networks are examples of such technologies that are beneficial to humans by receiving and transmitting signals through radio waves. These signals are transmitted through a medium (which can include the air or fiber optic cables) and captured by the device.

What are 5 examples of electromagnetic waves?

Examples of EM waves are radio waves, microwaves, infrared waves, X-rays, gamma rays, etc.

What are 4 examples of electromagnetic waves?

Radio waves, microwaves, visible light, and x rays are all examples of electromagnetic waves that differ from each other in wavelength. (a) Longer wavelength; (b) shorter wavelength. Electromagnetic waves are produced by the motion of electrically charged particles.

Which are uses of electromagnetic waves Check all?

Behaviour and uses of electromagnetic waves
  • Radio waves. Radio waves are used for communication such as television and radio. …
  • Microwaves. Microwaves are used for cooking food and for satellite communications. …
  • Infrared. …
  • Visible light. …
  • Ultraviolet radiation.

What are 6 examples of electromagnetic waves?

The electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays.

How are electromagnetic waves used in everyday 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.

Do radios use electromagnetic waves?

Radio waves are a type of electromagnetic radiation best-known for their use in communication technologies, such as television, mobile phones and radios. These devices receive radio waves and convert them to mechanical vibrations in the speaker to create sound waves.

What are some examples of waves in everyday life?

Transverse waves
  • ripples on the surface of water.
  • vibrations in a guitar string.
  • a Mexican wave in a sports stadium.
  • electromagnetic waves – eg light waves, microwaves, radio waves.
  • seismic S-waves.

What are some 3 examples of things in everyday life that depend on waves from the EM spectrum?

Telephones, microwave ovens and televisions are examples of things in everyday life that depend on waves from the EM spectrum.

What type of waves is used on a TV remote control?

Infrared waves, or infrared light, are part of the electromagnetic spectrum. People encounter Infrared waves every day; the human eye cannot see it, but humans can detect it as heat. A remote control uses light waves just beyond the visible spectrum of light—infrared light waves—to change channels on your TV.

What devices use radio waves?

These include all devices that use radio waves for communication, including two-way radios (of course), radio broadcast, television broadcast, cordless telephones, cellular telephones, microwave links in the telephone network, satellites, garage door openers, and countless other devices.

What are uses of microwaves?

Microwaves are widely used in modern technology, for example in point-to-point communication links, wireless networks, microwave radio relay networks, radar, satellite and spacecraft communication, medical diathermy and cancer treatment, remote sensing, radio astronomy, particle accelerators, spectroscopy, industrial …

Which electromagnetic waves is used in lamps?

Incandescent lamps radiate a lot of heat (infrared radiation). Energy saving lamps such as compact fluorescent lamps, tubular fluorescent lamps or led lights produce UV light and blue light as a by-product – in different measures, as a result of the specific technology which is used.

What electromagnetic wave is used to transmit television and radio Programmes?

Radio waves
Radio waves are used for communication such as broadcasting television and radio, communications and satellite transmissions. Radio waves are transmitted easily through air. They do not cause damage if absorbed by the human body, and they can be reflected to change their direction.

How does WiFi use microwaves?

For WiFi this frequency happens to be 2.4Ghz and 5Ghz. … Your microwave uses 2.450Ghz to heat up food and your router uses 2.412 GHz to 2.472 GHz to transmit your data over WiFi. This is why some people with old or faulty microwaves experience a problem with their WiFi signal when they try to make popcorn.

Do cell phones use microwaves or radio waves?

Cell phones send signals to (and receive them from) nearby cell towers (base stations) using RF waves. This is a form of energy in the electromagnetic spectrum that falls between FM radio waves and microwaves. Like FM radio waves, microwaves, visible light, and heat, RF waves are a form of non-ionizing radiation.

What technology uses infrared waves?

Lesson Summary

We use infrared radiation in many ways, including thermal imaging cameras, remote controls, fiber optic cables, infrared astronomy, and meteorology.

Does Bluetooth use microwaves?

Devices connected in a Bluetooth network communicate with each other using ultra-high frequency (UHF) radio waves. These are electromagnetic waves with frequencies around 2.4 gigahertz (2.4 billion waves per second). UHF waves of different frequencies are used in microwave ovens, GPS systems and many other devices.