What is the importance of electromagnetic spectrum in our daily lives?
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 is the conclusion of electromagnetic spectrum?
Conclusion: There are more electromagnetic waves than the sunlight. Examples are the short-wavelength gamma radiation or the long-wavelength radio waves. The different electromagnetic waves are classified within the electromagnetic spectrum according to their wavelengths and frequencies.
How will you describe the different regions of EM spectrum?
The electromagnetic 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) light, X-rays and gamma-rays.
What is the electromagnetic spectrum 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.
What are the characteristics of electromagnetic spectrum?
The characteristics of the electromagnetic spectrum are the propagation features and the amount of information, which signals can carry. In general, signals sent using the higher frequencies have shorter propagation distances but a higher data-carrying capacity.
What do you understand by electromagnetic spectrum?
electromagnetic spectrum, the entire distribution of electromagnetic radiation according to frequency or wavelength. Although all electromagnetic waves travel at the speed of light in a vacuum, they do so at a wide range of frequencies, wavelengths, and photon energies.
What is electromagnetic spectrum?
Electromagnetic Spectrum 1 Electromagnetic Waves in Electromagnetic Spectrum. The entire range (electromagnetic spectrum) is given by radio waves, microwaves, infrared radiation, visible light, ultra-violet radiation, X-rays, gamma rays and cosmic rays in the 2 Significance of Electromagnetic Spectrum. 3 Solved Questions.
What are the uses of electromagnetic spectrum in daily life?
The electromagnetic spectrum can be depicted as follows : We see the uses of the electromagnetic waves in our daily life as : Radio: A radio basically captures radio waves that are transmitted by radio stations. Radio waves can also be emitted by gases and stars in space. Radio waves are mainly used for TV/mobile communication.
What is an electromagnetic wave?
An electromagnetic wave is any disturbance in the electric and magnetic fields that propagates. All electromagnetic waves propagate at the speed of light in a vacuum. The seemingly disparate phenomena of electricity, magnetism, and optics are all related aspects of the larger phenomenon of electromagnetism.
What is the range of radio waves in electromagnetic spectrum?
Most of the radio part of the EM spectrum falls in the range from about 1 cm to 1 km, which is 30 gigahertz (GHz) to 300 kilohertz (kHz) in frequencies. The radio is a very broad part of the EM spectrum. Infrared and optical astronomers generally use wavelength.
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