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Answer:
Explanation:
The electromagnetic spectrum is the range of all types of radiation. Radiation is energy that travels and spreads out as it goes – the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation. The other types of EM radiation that make up the electromagnetic spectrum are microwaves, infrared light, ultraviolet light, X-rays and gamma-rays.
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The electromagnetic spectrum is the range of frequency varying from 1Hz to [tex]10^{25}Hz[/tex].
- Electromagnetic radiations are classified on the basis of this spectrum of the range of frequencies. The radiations with highest frequency have the highest energy. Since E = hν, where v is the frequency.
- As the frequency decreases, the wavelength increases. Since, ν = 1/λ , where λ is the wavelength.
- The EM radiations are classified as Gamma Rays, X-rays, Ultraviolet, Visible, Infrared, Microwave and Radiowave.
- Microwave radiations have frequency between 100 μm to 1000 μm. They have the second lowest frequency range among all radiations, which means they have second lowest energy among all radiations and their wavelength is greater than all type of radiations except radiowaves.
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