Wavelength of radiation incident on a surface is 850 nm. Will the surface become visible when exposed to this radiation? Explain.
Wavelength of radiation incident on a surface is 850 nm. Will the surface become visible when exposed to this radiation? Explain.
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As we know, the range of wavelength of visible radiation is from 400 nm to 700 nm. The radiation having wavelength greater than 700 nm is termed as infra-red radiations which only produces warmth, so the wavelength of radiation 850 nm cannot be visible.
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