Name: dual nature of electromagnetic (em) radiation
Uploaded: 2023-01-10T17:30:51
Description: Electromagnetic (EM) radiation is composed of electric and magnetic field components oscillating in planes perpendicular to each other and mutually ...

Electromagnetic radiation can be considered as an electromagnetic wave propagating through space and as energy-containing particles called photons.
Electromagnetic radiation is characterized by its frequency, which is the number of repeating waves that pass a given point in a fixed time. At the same time, it interacts with matter and transfers a set amount of energy, like a particle.
The energy of a photon is proportional to the frequency of the radiation, expressed by the Planck equation. The set of radiation with all possible...

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dual nature of electromagnetic (em) radiation

Electromagnetic (EM) radiation is composed of electric and magnetic field components oscillating in planes perpendicular to each other and mutually perpendicular to radiation propagation through space. EM radiation can be considered a wave, characterized by the properties of waves such as wavelength (denoted as &#955;) and frequency (represented by &#957;).
Wavelength is the distance between two consecutive peaks or troughs in the wave. Frequency is the number of repeating waves or wave cycles past a given point in a fixed time. Different forms of electromagnetic radiation possess different wavelengths and frequencies. The electromagnetic spectrum is the ordered collection of electromagnetic radiation grouped by frequency or wavelength. The wavelength and frequency are related to the speed of the radiation through a medium. The speed of radiation in a vacuum (denoted as c) is a universal physical constant, with a value of approximately 3 &#215; 108 m/s.
<img alt="Figure1" src="/files/ftp_upload/13022/13022_PT_Figure_1.svg" style="text-align: center; height: 17px;" />
So, the wavelength and frequency are inversely related to each other. Radiation with a high frequency features a low wavelength and vice versa.
<img alt="Figure2" src="/files/ftp_upload/13022/13022_PT_Figure_2.svg" style="text-align: center; height: 40px;" />
Electromagnetic radiation can also be considered as a collection of particles called photons. Each photon possesses a definite quantity of energy, which can be transferred to matter upon interaction. The energy of a photon (denoted as E&VeryThinSpace;&NoBreak;) is directly proportional to the frequency and inversely proportional to the wavelength. The equation relating the energy of a photon to its frequency of radiation is known as Planck&#8217;s equation.
<img alt="Figure3" src="/files/ftp_upload/13022/13022_PT_Figure_3.svg" style="text-align: center; height: 34px;" />
Here, h is Planck&#8217;s constant with a value of 6.626 &#215; 10&#8722;34 m2&#8201;kg&#8201;s&#8722;1.

Dual Nature of Electromagnetic (EM) Radiation

Electromagnetic (EM) radiation is composed of electric and magnetic field components oscillating in planes perpendicular to each other and mutually ...