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If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as λUV, λVIS and λIR respectively, then which one of the following gives the correct relationship among these wavelengths?

If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as λUV, λVIS and λIR respectively, then which one of the following gives the correct relationship among these wavelengths? Correct Answer λ<span style="position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;">UV</span> &lt; λ<span style="position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;">VIS</span> &lt; λ<span style="position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;">IR</span>

  • If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as λUV, λVIS and λIR respectively, then λUV < λVIS < λIR  is the correct relationship among these wavelengths.
  • UV rays are electromagnetic radiations which are shorter than the visible light and have a wavelength between 10-400 nm.
  • Infrared rays are those electromagnetic radiations which have a wavelength between 700 nm-1 mm. These are longer than the visible light.

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