Physics Course/Electromagnetic Radiation
Appearance
Electromagnetic Radiation
[edit | edit source]Electromagnetic Radiation is observed in Dipoles consists of two straight wire of different polarities carrying current . Electromagnetic Radiation is spread out as an ElectroMagnetic Wave that compose of an ElectroMagnet Wave perpendicular to an Electric Wave
Characteristics of Electromagnetic Radiation
[edit | edit source]Electromagnetic Radiation travels at a speed equal to speed of light in a vaccum C = 3 x 1018 and has a Quanta Energy Level.
- v = C = λ f
- E = h f = h nfo =
Electromagnetic Radiation Spectrum
[edit | edit source]Electromagnetic Radiation Spectrum used in communication include frequencies of
- Radio Waves , wave of frequency in the range of 2KHz - 20 KHz
- Microwave , wave of frequency > 3MHz
- Visible Light , wave of frequency > 3 THz
- Ultra Violet Waves , wave of frequency > 3GHz
- X Rays ,
- Gamma Rays ,
Wavelength and Frequency of Electromagnetic Radiation
[edit | edit source]- Visible Light has a frequency spectrum