Optical, Thermal and Other Properties

  • Vernon John
Chapter

Abstract

Energy may be transmitted in the form of a wave-like radiation termed electro- magnetic radiation. Electromagnetic radiations may possess an extremely wide range of frequencies ranging from low radio-frequencies, through infra-red, visible light and ultra-violet into the X-ray and γ-ray range. Electromagnetic waves travel through a vacuum at a velocity of c = 3 x 108 m/s (c = velocity of light). The frequency, v, and wavelength, λ, of any radiation are related, since their product is a constant

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Copyright information

© Vernon John 1975

Authors and Affiliations

  • Vernon John
    • 1
  1. 1.The Polytechnic of Central LondonUK

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